Question: Use appropriate sum or difference identities to find the exact value of the expression cos ( - 105). Support your answer with a calculator approximation.

Use appropriate sum or difference identities to find the exact value

Use appropriate sum or difference identities to find the exact value of the expression cos ( - 105"). Support your answer with a calculator approximation. Choose the correct answer below. OA. 16 - 12 4 OB. 12 + 16 4 OC V2 - 16 4 OD. 12+16 4

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock 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 Mathematics Questions!

Use a sum or difference formula to find the exact value of the trigonometric function. 11x sin 12 . . . 11x sin 12 (Simplify your answer, including any radicals. Use integers or fractions for any...

Use one or more of the six sum and difference identities to find the exact value of the express sin (45 -30) Rewrite the expression using a sum or difference formula. Choose the correct answer below....

Use identities to find the exact value of the expression. Do not use a calculator. sin 12 Choose the correct expanded form of sin using the sum or difference formula for sine. 12 O A. sin = sin = COS...

Use a sum or difference formula to find the exact value of the trigonometric function.sin 165Rewrite the given trigonometric function using an appropriate sum or difference formula for the sine...

Exercise Set 5.3: Graphs of the Tangent, Cotangent, Secant, and Cosecant Functions (f) Give an interval, if one exists, on which f ( x ) = tan ( x ) is increasing. Then give an Answer the following....

04.02 Cosine Addit Proving Cosine Addition What is the difference betwee 00103043/Downloads/Proving%20Cosine%20Addition%20and%20Subtraction%20Identities%20Task.pdf (T) A PRECALCULUS Name 6 2017 Kuta...

Find the exact value of the expression without using a calculator. cot Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. cot (Simplify your...

uiz 2 SHOW ALL WORK to receive credit. 1. 3 pts. Use the sum or difference identities to evaluate exactly (no decimal approximations): cos285 2. In questions 2A, 2B, 2C, and 2D below, find the exact...

15) Verify the identity. cot 2 =cot tesc t cos t Which of the following four statements establishes the identity? OA. cot sin t = cot t cos t coS t =cot tesc t COS t OB. cot 2 t cos t = cot t cos t...

Find the exact value of the expression given below cos 105 Rewrite the expression using a sum or difference formula Choose the correct answer below A cos 105 cos 60 45 sin 60 cos 45 cos 60 sin 45 B...

Suppose that the Ralston Purina bond was issued at face value and that investors continue to demand a yield of 9.5 percent. Sketch what you think would happen to the bond price as the first interest...

1: Introduce and briefly summarize the literature on Hamlet. Only include major ideas that a reader needs to know; this paragraph should be the shortest paragraph. 2: consider the historical period...

A small business assumes that the demand function for one of its new products can be modeled by p = Cekx. When p = $ 4 0 , x = 9 0 0 units, and when p = $ 3 5 , x = 1 4 0 0 units. ( a ) Solve for C...

9. Suppose the temperature at (z, y, z) is given by T = ry + sin(yz). In what direction should you go from the point (1, 1, 1) to decrease the temperature as quickly as possible? What is the rate of...

Prepare the On December 31 adjusting entries for the following transactions. 1. Fees accrued but not billed, $6,300. 2. The Supplies account balance on December 31, $4,750; Supplies on hand, $960. 3....

Balls and Bats, Inc. purchased equipment on January 1, 2005, at a cost of $100,000. The estimated useful life is 4 years with a salvage value of $10,000. Complete the following tasks for this...

Topflight Company had $1,500 of store supplies at the beginning of the current year. During this year, Topflight purchased $8,250 worth of store supplies. On December 31, $1,125 worth of store...

Refer to Fig. 4.67. The Thevenin resistance at 4.4 terminals a and b is: (a) 25 0 (b) 20 n (d) 40 (e) 5 5 ww a 20 50 V b

A pointer holds a memory address.

7. Fill out the form below. Only the most important roles and your basic values are to be filled.

10. Try to remember the last communication you entered into. How many times did you fill in information that the other person did not convey? How many times did you speak before the other person...

6. Think of a situation where you noticed that the other person or people did not like or understand your behaviour. Examine your own intentions behind the behaviour.