Use the half-angle formulas to solve the given problems. If 90 < < 180 and sin
Question:
Use the half-angle formulas to solve the given problems.
If 90° < θ < 180° and sinθ = 4/5, find cos(θ/2).
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 37% (8 reviews)
We know that sin 45 and we can use the Pythagorean identity sin2 cos2 1 to find cos sin2 cos...View the full answer
Answered By
Tejaswi Kopparapu
Through my training and programming, I have developed the ability to provide clear and concise explanations, offer examples and analogies, and adapt my responses to match the individual learning styles and levels of my users. I have access to a vast database of knowledge and resources that I can draw upon to provide comprehensive and accurate information.
Furthermore, I can offer interactive learning experiences such as quizzes, exercises, and simulations to help reinforce concepts and provide hands-on practice.
Overall, while I may not have hands-on experience as a traditional tutor, I am proficient in providing educational assistance and support to individuals seeking academic help.
0.00
0 Reviews
10+ Question Solved
Related Book For
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
Question Posted:
Students also viewed these Mathematics questions
-
Solve the exact differential equation (-3 sin(x) - y sin(x) + 4 cos(x)) dx + (cos(x))dy = 0 where y(0) = 2
-
If A = (a)-1 [1/3 2 0 2x-3 B= [36 0-1 (b) 1 and AB=1, then X = (c) 0 (d) 2
-
III. Use a double angle or half angle identity to find each of the following. Write the identity then show work, 7. Given cos 20 = 1 and 270 < 0 < 360, find sin 8. 8. Given cos A = V/ and sin 80,...
-
KEA10. LO 16.3 Use the following excerpts from Fruitcake Company's financial records to determine net cash flows from investing activities. Acquired new plant assets Collected interest on investment...
-
William and Abigail, who live in San Francisco, have been experiencing problems with their marriage. They have a 3-year-old daughter, April, who stays with William's parents during the day because...
-
Consider the following statements and indicate if they are true or false: (a) Auditors have the right of access at any time to any accounting records of the company they are auditing. (b) The...
-
Explain why it is becoming more important for organizations to make cyber risk management a high priority?
-
Michaels Company had available at the end of 2012 the information shown below. InstructionsPrepare a statement of cash flows for Michaels Company using the direct method accompanied by a...
-
A monopolist has total costs TC(Q) = 32 + 10Q and faces market demand Q(P) = 40-2P. Solve for monopolist's output, price, profits and consumer surplus when: (a)(5 pts) Price is unregulated. (b)(5...
-
Simplify the given expressions. cos y(sec y cos y)
-
Simplify the given expressions. The result will be one of sin x, cos x, tan x, cot x, sec x, or csc x. tanx cotx CSC X
-
In which of the following industries is wage determination most plausibly explained by the model of perfect competition? The model of bilateral monopoly? a. Odd-job repairs in private homes b....
-
If the owner sells a fully-occupied rental property, how will the tenants' security deposits be treated at closing? If the owner sells a fully-occupied rental property, how will the tenants' security...
-
Using your textbook and your completed A project, please answer the following questions. To reach the expenditure goal of $100,000,000, how did Goal Seek adjust the Parking value?
-
In comparison to investing in a listed company, what information disadvantages an investor may face when investing in a startup company? Does financial and non-financial information play any role in...
-
What is the name of the record company that was at the center of the thriving alternative scene in Seattle in the 1980s/90s?
-
There are some useful observations in these posts regarding qualitative factors, which are very important in the overall operation of the firm. How might these qualitative factors be measured by a...
-
a. Recalling that the fill weight and R charts are based on subgroups of size 5, and assuming that the fill weights are approximately normally distributed, calculate the natural tolerance limits for...
-
What did Lennox gain by integrating their WMS, TMS, and labor management systems?
-
Use a graphing utility to find the line of best fit for the following data: 5 5 3 6. 6 12 15 y 10 13 16 19
-
Find the average rate of change of f (x) = 3x 2 - 2, from 2 to 4.
-
The price p (in dollars) and the quantity x sold of a certain product obey the demand equation P = 1/6 x + 100 (a) Find a model that expresses the revenue R as a function of x. (Remember, R = xp.)...
-
Carmen Diaz is 30 years old. She has been suffering from serious pelvic pain for 3 months. She finds it hard to work because of the pain and even harder to perform the chores required by daily...
-
Brad wanted to buy some land from Harold and build a new home. Harold was willing to sell 3 acres in his subdivision for $6,000. Company, in another state, was willing to sell Brad a prefabricated...
-
Find the set of values of k for which |(x-8)(x-3)| = k has three solutions.
Study smarter with the SolutionInn App