In Exercises 1-4, use the sum-to-product formulas to find the exact value of the expression. 1. sin
Question:
1. sin 75° + sin 15°
2. cos 120° + cos 60°
3. cos 3π / 4 - cos π / 4
4. sin 5π / 4 - sin 3π / 4
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 88% (9 reviews)
1 sin 75 o sin 15 o 2 sin75 o 15 o 2 cos75 o 15 o 2 2 sin 45 ...View the full answer
Answered By
SUMAN DINDA
I LIKE TO TEACH STUDENTS. SO, I START MYSELF AS A PRIVATE TUTOR. I TEACH STUDENTS OF DIFFERENT CLASSES. I HAVE ALSO DONE BACHELOR OF EDUCATION DEGREE(B.ED). DURING THIS COURSE I HAD TO TEACH IN A SCHOOL. SO I HAVE A GOOD EXPERIENCE IN TEACHING.
5.00+
1+ Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Calculus questions
-
Find the exact value of each expression. a. b. c. d. -14 sin sin sin(sn(-3) sin sin cos (cos (-45))
-
Use sum, difference, product, or half-angle formulas to find the exact value of each expression. tan (2sin -1 6/11)
-
Use sum, difference, product, or half-angle formulas to find the exact value of each expression. cos (sin -1 2/3 + tan -1 3/2)
-
Gothic Kings Ltd. Is a 100% owned subsidiary of Hadrian Inc. Gothic has been profitable in the past but incurred a loss for the year ended December 31, 20X3. Hadrian has indicated that if Gothic...
-
A rocket is fired in deep space, where gravity is negligible. If the rocket has an initial mass of 6000 kg and ejects gas at a relative velocity of magnitude 2000 m/s, how much gas must it eject in...
-
The wall of a refrigerator is constructed of fiberglass insulation (k=0.035 W/mK) sandwiched between two layers of 1-mm-thick sheet metal (k=15.1 W/mK). The refrigerated space is maintained at 2 C,...
-
Select two of the approach strategies and develop each one into a one-page dialogue between you and a customer.
-
Institutionally Related Foundations. Compass State University Foundation (CSUF) was incorporated as a not-for-profit organization to support a public university in its fund-raising efforts and the...
-
E3-7 Payroll taxes Davis, Inc. paid wages to its employees during the year as follows: Anderson.... $ 15,400 Bates.... 16,700 Chavez..... 13,000 Devon...... 23,300 Estevez..... 33,200 Franco......
-
The Metro Central Railroad is a commuter railroad that stops at the Village of Kelly. Kelly, a growing community, decides to construct and operate a parking lot near the railroad station to...
-
In Exercises 1-4, use the sum-to-product formulas to rewrite the sum or difference as a product. 1. sin 5 sin 3 2. sin 3 + sin 3. cos 6x + cos 2x 4. cos x + cos 4x
-
In Exercises 61-64, find all solutions of the equation in the interval [0,2). Use a graphing utility to graph the equation and verify the solutions. 1. sin 6x + sin 2x = 0 2. cos 2x cos 6x = 0
-
Water at 150 kPa and 12oC is heated in a mixing chamber at a rate of 3 kg/s where it is mixed with steam entering at 150 kPa 120oC. The mixture leaves the chamber at 150 kPa and 55oC. Heat is lost to...
-
Describe two reasons why managers might focus on quarterly earnings.
-
Identify two ratios to use to analyze a firms liquidity position, and write out their equations.
-
Indicate whether each of the following statements is true or false by writing T or F in the answer column. A current or former employee may sue his or her employer for defamation if the employer...
-
1 Consider the following financial statement information for Orologio SpA: Calculate the operating and cash cycles. How do you interpret your answer? (40 marks) 2 You have been hired by a...
-
What are the characteristics of a liquid asset? Give some examples.
-
Solve the system of equations. 4 + %3D 0 2 3D 14 2y = 14
-
Reduction in sales All of the above 29. Belt of an electric motor is broken, it needs a. Corrective maintenance b. Scheduled maintenance c. Preventive maintenance d. Timely maintenance. 30. The...
-
In Exercises use the position function s(t)= -16t + v o t + s o for free-falling objects. To estimate the height of a building, a weight is dropped from the top of the building into a pool at ground...
-
In Exercises use the position function s(t)= -16t + v o t + s o for free-falling objects. A ball is thrown straight down from the top of a 600-foot building with an initial velocity of -30 feet per...
-
The surface area of a cube with sides of length is given by S = 6 2 . Find the rates of change of the surface area with respect to when (a) = 3 inches (b) = 5 inches.
-
1. (25 points) Consider the following programs: Alg1(n): For i 1 to n For j = 1 to n If i+j
-
Convert the following C code into an ARM assembly program: void main(void) { } Hint: short a[8] = {1, 3, 5, 7, 9, 11, 13, 15}; short b[8] = {2, 4, 6, 8,10, 12, 14, 16}; short c[8] = {0, 0, 0, 0, 0,...
-
7. Consider the following code. Modify the classes to make sure the main() function compiles and runs without any error. (Hint: you should implement 2 or 3 functions.) [ < < 15 min] [3pt] 1. #include...
Basic Electronics Engineering Including Laboratory Manual 1st Edition - ISBN: 9811374163 - Free Book
Study smarter with the SolutionInn App