i. Solve the equation 4sin 2 x + 8cosx 7 = 0 for 0 x
Question:
i. Solve the equation 4sin2x + 8cosx − 7 = 0 for 0° ≤ x ≤ 360°.
ii. Hence find the solution of the equation
Transcribed Image Text:
4 sin² (10) + 8 cos ( 0 ) - 7 = 0 for 0° = 0 = 360°.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 84% (13 reviews)
i We can rewrite the equation as 41cos2 x 8cos ...View the full answer
Answered By
Anik Kumar Bosu
I am expert in Maths, Physics, Chemistry and Biology. I also teach student from 3 years. Students becomes satisfied by my teaching. So, do not worry.
0.00
0 Reviews
10+ Question Solved
Related Book For
Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook
ISBN: 9781108407144
1st Edition
Authors: Sue Pemberton, Julian Gilbey
Question Posted:
Students also viewed these Mathematics questions
-
Solve equation in problem for x (1 - x)5 = (2x - 1)5
-
Solve the equation by extracting square roots. When a solution is irrational, list both the exact solution and its approximation rounded to two decimal places. 1. x2 = 49 2. x2 = 144 3. x2 = 19 4. x2...
-
Solve the following problem graphically and find the optimum solution Max Z 3 x1 2x2 Subject to 2x1 4x220 1x1 4x210 x13x21 x1x20 Solve the following problem graphically and find the optimum solution...
-
A potential difference of 1.20 V will be applied to a 33.0 m length of 18-gauge copper wire (diameter = 0.0400 in.). Calculate (a) The current, (b) The magnitude of the current density, (c) The...
-
Using the methodology outlined in Exhibit 9.12, forecast the financing items on next year's balance sheet for PartsCo. Assume long-term debt remains at $215 million, no external equity is raised, and...
-
Texmac, Inc., has an idea for a new type of weaving machine that could replace the machines now used by many textile manufacturers. Texmac has done a telephone survey to estimate how many of the...
-
At midyear, National Steel Fabricators, Inc. purchased a 35 percent ownership interest in Keystone Consolidated, Inc. for \($40\) million. At year-end, Keystone reported an operating loss of \($6\)...
-
Root Company produces uniforms. The company allocates manufacturing overhead based on the machine hours each job uses. Root Company reports the following cost data for 2008: Requirements 1. Compute...
-
Please help: Given below yields on treasury securities, and assuming the unbiased expectation theory holds, answer the following questions Maturity(yr)Yield% 15 25.5 36 46.5 57 67.5 78 What is Yield...
-
Use java There are n gardens in a row. The gardens are numbered 1 to n and the i-th garden has a greenness of a[i], with higher numbers representing greener gardens. Let us define the "greenness on...
-
a. Express 7 sin 2 x + 4 cos 2 x in the form a + b sin 2 x. b. State the range of the function f(x) = 7 sin 2 x + 4 cos 2 x, for the domain 0 x 2.
-
Part of the graph of y = a + b cos cx is shown above. Write down the value of a, the value of b and the value of c. y in 5 4 3. 2. 1 0 60 120 180 240 300 360 x
-
Consider a probit model explaining the choice to attend a 4-year college rather than a 2 -year college by high-school graduates who chose to attend a postsecondary school. Define \(F O U R Y R=1\) if...
-
How do modern operating systems implement secure boot mechanisms, and what role does hardware-based security play in this process ? Explain
-
Analyze and differentiate between ADA and CAATTS tools when assessing internal controls, audit risk, and gathering substantive evidence. Explain the potential application of ADA in evaluating audit...
-
Question: 10/25/YR1-- YSR Inc. acquires supplies to be used by its employees. The supplies cost $2,000. Although YSR Inc. has received the supplies, it will not pay for the supplies until November,...
-
Explain the concept of consistency models. How do eventual consistency and strong consistency affect the design of distributed applications ?
-
At December 3 1 , 2 0 2 6 , SIP HAPPENS Inc. reported $ 2 4 1 , 0 0 0 in accounts receivable and $ 3 7 3 , 0 0 0 in the allowance for doubtful accounts. In 2 0 2 7 , the company had $ 9 8 2 , 0 0 0...
-
Draw a mechanism for the acidic hydrolysis of the magnesium salt shown above to acetophenone.
-
The maximum pressure that can be developed for a certain fluid power cylinder is 15.0 MPa. Compute the required diameter for the piston if the cylinder must exert a force of 30 kN.
-
What % of 34-year-old children in the village will get influenza? Suppose that 80% of 34-year-old children and 70% of 58-year-old children in a village are vaccinated with QIV vaccine. Also assume...
-
What % of 58-year-old children in the village will get influenza? Suppose that 80% of 34-year-old children and 70% of 58-year-old children in a village are vaccinated with QIV vaccine. Also assume...
-
Suppose we identify a 58-year-old child with influenza in the village but are uncertain whether the child was vaccinated. If we make the same assumptions as in Problems 3.293.30, then what is the...
-
Jack asked Jill to marry him, and she has accepted under one condition: Jack must buy her a new $ 3 5 0 , 0 0 0 Rolls - Royce Phantom. Jack currently has 3 6 , 0 4 0 that he may invest. He has found...
-
Pappy s Potato has come up with a new product, the Potato Pet ( they are freeze - dried to last longer ) . Pappy s paid $ 2 1 5 , 0 0 0 for a marketing survey to determine the viability of the...
-
Vail received a payment from a customer this year in advance of the revenue recognition. The payment is taxed in this year. The reconciliation for this item is provided below: (Lesson 9.2) Pretax...
Study smarter with the SolutionInn App