Question: Use the half-angle formulas to evaluate the given functions. cos 112.5

Use the half-angle formulas to evaluate the given functions.

cos 112.5°

Step by Step Solution

★★★★★

3.40 Rating (159 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

The halfangle formula for cosine is cos2 sqrt1 cos 2 where the sign of the square root depend... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Basic Technical Mathematics Questions!

Q:

The centre-of-mass differential cross-section for the reaction e + e μ + μ due to the one-photon exchange diagram in Figure 10.2(a) is given in Equation (7.15), where s =...

Q:

Evaluate each of the following functions and see if it is periodic. If periodic, find its period. (a) f (t) = cos t + 2 cos 3 t + 3 cos 5 t (b) y(t) = sin t + 4 cos 2 t (c) g(t) = sin 3t cos 4t...

Q:

Verify that the equation is an identity. sin (x-y) tanx-tany = sin (x+y) tanx+ tany Which of the following statements verifies that the equation is an identity? OA. 1- cos (x - y) sin(x-y) sin(x-y)...

Q:

Use the half-angle formulas to evaluate the given functions. sin 105

Q:

Use the half-angle formulas to evaluate the given functions. cos 3/8

Q:

Use the half-angle formulas to evaluate the given functions. sin 22.5

Q:

Use the half-angle formulas to evaluate the given functions. sin 11/12

Q:

Use the half-angle formulas to evaluate the given functions. cos 15

Q:

OD. I 36. Express 1-2 sin2 380 as a function of twice the given angle. A. COS 760 B. sin 76 O c. - sin 76 O D. -COS 76 https://theorem.nebraska.edu/courses/MTHH044059/unit-3/unit-3-evaluation 16/20...

Q:

Suppose that f and g are integrable functions and that is f(x)dx = -23 , f(x) dx = 4, g(x)dr = -11 Use the properties of the definite integral to find each of the following: 9(z)da = 0 g(x)dx = 33 2...

Q:

Pooling information from the output design and reviewing their progress, Chip and Anna proceed to the next stage, the design of input. Web pages must be designed to capture input information easily...

Q:

Vinnys Overhead Construction had free cash flow during 2015 of $25.4 million. The change in gross fixed assets on Vinnys balance sheet during 2015 was $7.0 million and the change in net operating...

Q:

When the firm's charter requires that new secondary stock issues be offered to existing shareholders before the general public, this is called the Multiple choice question. primogeniture right. proxy...

Q:

USA Today reported a survey made by Nationwide Mutual Insurance that indicated the average amount of time spent to resolve identity theft cases was 81 hours. The file entitled Theft contains data...

Q:

Convert the given numeral to a numeral in base 10. B92 12

Q:

Use lattice multiplication to determine the product. 4 x 327

Q:

Use lattice multiplication to determine the product. 5 x 417

Q:

12/31/2020 year-end balance sheet retained earnings-Unappropriated: $7,481,904 12/31/2021 year end balance sheet Retained earnings-unappropriated:$ ? please find the Retained earnings on 12/31/2021...

Q:

Jeanlouis, Inc., manufactures and sells two products: Product D0 and Product D5. The company has an activity-based costing system with the following activity cost pools, activity measures, and...

Q:

Pantanal, Inc., manufactures car seats in a local factory. For costing purposes, it uses a first-in, first-out (FIFO) process costing system. The factory has three departments: Molding, Assembling,...