Question: Find the exact value by using a half angle formula cos 75 Find the exact value by using a half-angle formula. cos 750 =

Find the exact value by using a half-angle formula. cos 750 =

image text in transcribed

Find the exact value by using a half angle formula cos 75

Find the exact value by using a half-angle formula. cos 750 =

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!

Q:

Name: ____________________________________________________________________ Pre-Calculus - Test 2 MATH 1500 Summer 2020 Instructions There are two parts to completing the test: 1) Entering your...

Q:

X E Test: Chapter 8 Test Question 1 of 12 This test: 12 point(s) possible This question: 1 point(s) possible Submit test Question list K Find the exact value without using a calculator. sec 30 O...

Q:

Chapter 7 Review Name: Syd Hendricks #1 Points possible: 1. Total attempts: 3 Simplify tan(t) sec(t) cos(t) to a single trig function. #2 Points possible: 1. Total attempts: 3 Simplify csc(t) cot(t)...

Q:

Rewrite the expression as the sine cosine, or tangent of a double-angle. Then find the exact value of the trigon 31 2 sin COS 8 8 Use the appropriate double-angle formula to rewrite the given...

Q:

Exercise Set 6.1: Sum and Difference Formulas Simplify each of the following expressions. 1. sin ( x ) 2. 3 cos x + 2 3. cos x 2 4. sin ( + x ) 5. sin 60 + sin 60 + 6. cos 60 + cos 60 + 7. cos x +...

Q:

7.1 Solving Trigonometric Equations with Identities Name: Syd Hendricks #1 Points possible: 1. Total attempts: 3 Simplify sec(t) cos(t) sin(t) to a single trig function. #2 Points possible: 1. Total...

Q:

hello i need help with the following questions, if you can help i will rate your answer thanks!! - 1. Use the formulas for lowering powers to rewrite the expression in terms of the first power of...

Q:

New Psy M Inbc IMM Pola * Sea Pow | Brai Vie Vie | app|W Wo E Unt | Pre * Col P X C QUE B Mo + X -CD awww.mathxl.com/Student/PlayerTest.aspx i Apps M Gmail YouTube Maps PopBlock Plus Activ... @Home...

Q:

New Psy M Inbc IMM Pola * Sea Pow | Brai Vie Vie | app|W Wo E Unt | Pre * Col P X C QUE B Mo + X -CD awww.mathxl.com/Student/PlayerTest.aspx i Apps M Gmail YouTube Maps PopBlock Plus Activ... @Home...

Q:

NAME DATE PERIOD Chapter 5 Test, Form 2B SCORE Write the letter for the correct answer in the blank at the right of each question. 1. Simplify sec () sin () cot ( csc (). A sec ( B csc () C tan ( D...

Q:

Baker works in the sales department of ABC Company, which manufactures computer chips. Baker creates false documentation indicating that XYZ, Inc. (a nonexistent company) has agreed to purchase a...

Q:

Fincorp will pay a year-end dividend of $2.40 per share, which is expected to grow at a rate of 4% for the indefinite future. The discount rate is 10%. a. What is the stock selling for? (Do not round...

Q:

A stock is (A) a claim of ownership in a business (B) a certificate of indebtedness (C) traded in a closed market system (D) a guarantee of future prices to be traded on the stock market (E) all of...

Q:

The force constant of a massless spring is 2 5 . 0 N / m . A mass of 0 . 4 5 kg is oscillating in simple harmonic motion at the end of the spring

Q:

Using the income tax withholding table in Figure 7-3, page 256, P.O. 2,3 for each employee of National Discount Stores, determine the net pay for the week ended January 21. Assume a Social Security...

Q:

For the week ended September 7, the totals of the payroll register for Hanson, Inc., are presented above. The regular and overtime earnings are correct. List six errors that exist. P.O. 3 Locate...

Q:

On January 21, the column totals of the payroll register for Regal Distributors showed that its sales employees had earned $13,620, its driver employees had earned $8,460, and its office employees...