1. Trigono 1st year TRIGONOMETRY 11. If A + B + C = 1800 then cosA2...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
1. Trigono 1st year TRIGONOMETRY 11. If A + B + C = 1800 then cosA2 - cos2 B + cos? C + 2 sinA cosB sinCs 22. EXERCISE-I 3) 2 4) 3 1) 0 2) 1 and B+y= a then Tan a is 2) Tanß+ Tany 4) 2Tanß+ TanyY TC a+B= -0 =k sec 20 4. 1. TC +0+Tan then %3D 23. 1) 2(Tanß+ Tany) 12. If Tan 3) Tanß+ 2Tany the value of k is V3 cosec 20°- sec 20%D 2) 4 3) 1 4) 2 1) 3 13. sin?a+ cos² (a+B)+2 sin a sinßcos (a+B) = 2) sin² B 1) 1 2) 2 3) 3 4) 4 %3D If A + B+ C = 90° then 3) cos² a 4) cos² B 3. 24 1) sin² a. Cos2A+Cos2B+ Cos2C-1 14. cosx + cosy = 1/3, sinx + siny sin(x+y) = 7 %3D SinA SinB SinC %3D 25 4) 1) 2 2) 4 3) 3 4) 1 24 25 3) 24 2. 1) 25 2) 25 1 If tan0= 8a - 32a 1 1) 10a(or) 10a 4. then sec0+ tan 0 = %3D %3D 1 15. If a,ß are complementary angles, sina= 2) (or)-10a 10a 1 then sin a cosß-cos a sin B = 1 (oг) - 16а 16a 4) 16a(or) 16a 3) 25 3) 7 - 1) 25 2) 25 4) -- If 630= T then 3 3 cos e cos2 0 cos4 0 cos8 0 cos160 cos32e = cos° 21° + cos 39° 16. 1 1) – 32 1 cos 21° + cos 39 2) 32 3) - 64 4) 64 Mi 3 1) 3) 4. 2) If cosx+cos y+ cosz =0 = sin x + siny + sin z 17. tan 20° + 2 tan 50° = ED X-y | then cos 1) tan30° 2) cot 20° 3) tan 20° 4) tan 40° 1) 2) 3) 4) 1 4) ± 2) ±- 3) ±. 27t = 3 then 3 TC 18. If tan 0+ tan 0+ + tan 0+ sin² 42° – cos² 78° = %3D 1 1) tan 30 = V5-1 1) 8. %3D 2) tan 30 = 1 V5+1 2) 8. V5+1 3) 4. V5-1 4) 4 3) tan 20 = 1 4) tan 40 = 0 If A + B+ C = 0º then cos²A + cos²B + cos²C = 19. If Sin A + Sin B = 3(Cos B-Cos A) then %3D %3D 1) 2cos cosB cosC Sin 3A + Sin 3B = %3D 2) 1- 2cosA cosB cosC 1)1 2) -1 3) 0 4) 2 3) 1+2cosA cosB cosC 20. If 1+ SinA 4) 2 + 2 cosA cosB cosC 1-SinA = SecA + TanA, then the quad- | 1 rants in which the angle A lies are 1 The value of cos 290° 3 sin 250º +. is equal 1) I, II 2) II, III 3) I, IV to 4) III, IV 2T 4 4) 21. If x = y Cos=z Cos then xy + yz + zx = V3 1) 2) 4 /3 3) 3/4 4Tt 3 3. 1) 0 2) 1 3) -1 4) 1/2 25 4/3 4) 3. II 2. 1. Trigono 1st year TRIGONOMETRY 11. If A + B + C = 1800 then cosA2 - cos2 B + cos? C + 2 sinA cosB sinCs 22. EXERCISE-I 3) 2 4) 3 1) 0 2) 1 and B+y= a then Tan a is 2) Tanß+ Tany 4) 2Tanß+ TanyY TC a+B= -0 =k sec 20 4. 1. TC +0+Tan then %3D 23. 1) 2(Tanß+ Tany) 12. If Tan 3) Tanß+ 2Tany the value of k is V3 cosec 20°- sec 20%D 2) 4 3) 1 4) 2 1) 3 13. sin?a+ cos² (a+B)+2 sin a sinßcos (a+B) = 2) sin² B 1) 1 2) 2 3) 3 4) 4 %3D If A + B+ C = 90° then 3) cos² a 4) cos² B 3. 24 1) sin² a. Cos2A+Cos2B+ Cos2C-1 14. cosx + cosy = 1/3, sinx + siny sin(x+y) = 7 %3D SinA SinB SinC %3D 25 4) 1) 2 2) 4 3) 3 4) 1 24 25 3) 24 2. 1) 25 2) 25 1 If tan0= 8a - 32a 1 1) 10a(or) 10a 4. then sec0+ tan 0 = %3D %3D 1 15. If a,ß are complementary angles, sina= 2) (or)-10a 10a 1 then sin a cosß-cos a sin B = 1 (oг) - 16а 16a 4) 16a(or) 16a 3) 25 3) 7 - 1) 25 2) 25 4) -- If 630= T then 3 3 cos e cos2 0 cos4 0 cos8 0 cos160 cos32e = cos° 21° + cos 39° 16. 1 1) – 32 1 cos 21° + cos 39 2) 32 3) - 64 4) 64 Mi 3 1) 3) 4. 2) If cosx+cos y+ cosz =0 = sin x + siny + sin z 17. tan 20° + 2 tan 50° = ED X-y | then cos 1) tan30° 2) cot 20° 3) tan 20° 4) tan 40° 1) 2) 3) 4) 1 4) ± 2) ±- 3) ±. 27t = 3 then 3 TC 18. If tan 0+ tan 0+ + tan 0+ sin² 42° – cos² 78° = %3D 1 1) tan 30 = V5-1 1) 8. %3D 2) tan 30 = 1 V5+1 2) 8. V5+1 3) 4. V5-1 4) 4 3) tan 20 = 1 4) tan 40 = 0 If A + B+ C = 0º then cos²A + cos²B + cos²C = 19. If Sin A + Sin B = 3(Cos B-Cos A) then %3D %3D 1) 2cos cosB cosC Sin 3A + Sin 3B = %3D 2) 1- 2cosA cosB cosC 1)1 2) -1 3) 0 4) 2 3) 1+2cosA cosB cosC 20. If 1+ SinA 4) 2 + 2 cosA cosB cosC 1-SinA = SecA + TanA, then the quad- | 1 rants in which the angle A lies are 1 The value of cos 290° 3 sin 250º +. is equal 1) I, II 2) II, III 3) I, IV to 4) III, IV 2T 4 4) 21. If x = y Cos=z Cos then xy + yz + zx = V3 1) 2) 4 /3 3) 3/4 4Tt 3 3. 1) 0 2) 1 3) -1 4) 1/2 25 4/3 4) 3. II 2.
Expert Answer:
Related Book For
Vector Mechanics for Engineers Statics and Dynamics
ISBN: 978-0073212227
8th Edition
Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell
Posted Date:
Students also viewed these mathematics questions
-
What is the shear capacity of the RC beam described below considering the steel reinforcement and using the formula: VRsyAw 2fyd cot 8/s The shear reinforcement in the beam is provided by sets of...
-
If r(t) = sin 3t i - cos 3t j, find Dt[r(t) r' (t)].
-
If J = r sin cos ar cos 2 sin a + tan /2 In r a at T(2, /2, 3/2), determine the vector component of J that is (a) Parallel to az (b) Normal to surface = 3/2 (c) Tangential to the spherical surface r...
-
The adjusted trial balance columns of Falcetto Company's worksheet for the year ended December 31, 2017, are as follows. Debit Credit Cash Accounts Receivable Inventory Prepaid Insurance Equipment...
-
Refer to the Π- Πcircuit in Fig. 12.51. Find the line and phase currents. Assume that the load impedance is ZL = 12 + j9 Ω per phase. AB ZL 210120 v 2100 v ICA 2102-1202 V Ic
-
Figure 16P-2 shows the supply and demand for labor in the textile industry. In each of the following scenarios, graph any shift in the supply or demand curve and state whether the resulting...
-
Your colleague is excited about your good fortune (Problem 3.1) at work, but she only got the promise of a watch or \($300\) cash. You convince her that she will be better in the long run by just...
-
The following information relates to a new computer chip that Hand Held has developed for its new cell phone that contains a personal organizer: CHIP DIVISION Market price of finished chip to...
-
Expected return - D 0 = $3.00, P 0 = $45, g = 2.0% Required Return - r rf = 2%, r m = = 10%, b= 0.9 With that background in mind, address the following questions. a) Is this stock in equilibrium?...
-
Janet just graduated from college, has a job she's scheduled to begin in 3 months and has decided to treat herself to 6 weeks of travel across South America before she buckles down and starts working...
-
The local branch of the Universal Bank System (UBS) receives money from depositors and lends it to borrowers. Which of the following would be true about UBS's financial statements? Group of answer...
-
If you are unaware of the general views and initiatives of your nation's leader, study his or her website to see what the leader is up to. Make a list of what you perceive as the leader's top five...
-
Some claim that fervent recycling is the result of a "religion" of conservation that makes people feel good despite a lack of concrete reason. Suppose that the curves in Figure 8.5 exclude the value...
-
The following diagram shows the structure of cost and demand facing a monopolistically competitive firm in the short run. a. Identify the following on the graph and calculate each one. i. ...
-
Society is made up of two individuals, Bert and Ernie, whose demands for public good A are given in Figure 1. Assuming that the public good can be produced at a constant marginal cost of $7, what is...
-
The following table shows the relationship between utility and income for three individuals. Show each relationship graphically and explain whether each person is risk-averse, risk-neutral, or...
-
Deluxe Bag 1 2/3 The profits per bag and weekly hours available for cutting and dyeing and for sewing and finishing are as follows: Product Profit per Unit ($) Standard Bag $10 Deluxe Bag $8 Activity...
-
The domain of the variable in the expression x 3/x + 4 is________.
-
Rod AB of length 11 in. is connected by a ball-and-socket joint to collar A and by a clevis connection to collar B. Knowing that collar B moves down at a constant speed of 4.5 ft/s, determine at the...
-
A 120-lb pilot flies a jet trainer in a half vertical loop of 3600-ft radius so that the speed of the trainer decreases at a constant rate. Knowing that the pilot??s apparent weights at points A and...
-
Block C moves downward with a constant velocity of 2 ft/s. Determine(a) The velocity of block A,(b) The velocity of blockD. B E D
-
Acne Medication and Gastrointestinal Injury Since 1999, Kamie Kendall had experienced ongoing abdominal pain, and she was eventually diagnosed with ulcerative colitis and irritable bowel syndrome...
-
James Lewis, a resident of Kentucky, sustained an injury while operating a Caterpillar bulldozer. He filed suit against Caterpillar, a company incorporated in Delaware but with its principal place of...
-
In 1951, DuPont began using the chemical perfluorooctanoic acid to manufacture Teflon. Due to the dangerous nature of the chemical, DuPont was given special instructions by its supplier to dispose of...
Study smarter with the SolutionInn App