Establish the identity. 2 csc e(1- cos? e) = 1 - CoS Rewrite the left side expression by expanding the product. (Do not simplify.)

Q: 9 = cos(20)

A: We have to find the solution of the given equation

Q: Verify the identity. (1 + cos B)(1 – cos B) csc² B

A:

Q: Establish the identity. 1- cos 8 = (csc @- cot 0) 1+ cos 8 Starting with the right side, which shows…

A: Consider the identity  1-cosθ1+cosθ=cscθ-cotθ2

Q: 6. cos( 8.

A: (6)Given the trigonometric ratiocos(7π8)

Q: 6. Use the sum and difference identities to simplify the expression. '5T COS 12

A:

Q: Use the appropriate reciprocal identity to find the exact value of sec θ for the given value of cos…

A:

Q: 5) Prove the law of cosine C=B+ A- 2|A||B| cos 0.

A: Since you have posted multiple question in this question so I have solved first question as per our…

Q: Find the value of the product. 9 cos(37.5°) cos(7.5°)

A: Given9 cos(37.5°) cos(7.5°)

Q: Use a half angle formula to fill in the blanks in the identity below: (cos(4x))^2= ____+_____…

A: By half-angle formula we have:

Q: 5. Simplify. The answer should be a single term: 1 1 1 – cos 0 + 1+ cos 0

A: The solution of the problem is given in the next step.

Q: Use a double-angle identity to find the exact value of the expression. 2 cos 267.5° - 1 Choose the…

A:

Q: Use a double-angle formula to rewrite the expression. 1/4 cos^2 x -1/8

A:

Q: Establish the identity. e(1- sin? 0) = 1 sec Rewrite the left side expression by expanding the…

A:

Q: 2) Establish the identity cos(a+B) cos(a-ß) cot acot B-1 cot acot B+1 Show each step to justify your…

A: Solved below

Q: How do you solve question 2 and can you show me step by step?

A:

Q: Verify the identity cos2 θ/2 = (sec θ + 1) /2 sec θ

A: Given: verify that cos2θ2=secθ+12secθ for verifying this we simplify right hand side

Q: 3. Use the power reducing formulas to write 16 cos a in terms of first power of cosine.

A:

Q: Find an algebraic expression equivalent to the given expression. Hint: form a right triangle. (2 cos…

A:

Q: 96. Usc the first Pythagorcan identity sin? 0 + cos² 0 = 1 to prove the second and third Pythagorean…

A:

Q: 45. Give an example of values a, b such that (a) cos(a + b) + cos a + cos b (b) cos cos a 2.

A: (a)

Q: Verify the identity. (1 - cos(B))(1 + cos(ß)) csc²(B) Expand the product, and then use a Pythagorean…

A: We have to solve the problem as per instructions.

Q: identity is true. 33. sin (a - B) = sin a cos ß – sin B cos a

A: According to guideline we should able to do only one question at a time #33

Q: Ques tion I a) rimplify the tollowin g expression -1 [cos [ cos' (2n) + fin" cos

A:

Q: 5) Prove the law of cosine C| = |B+ A- 2|A||B|c cos 8. %3D

A:

Q: + jsin 12 12 .2 +jsin - Simplify 3 cos cos

A:

Q: %3D Use the formula asin BO + bcos B8 = Ja*+b°cos(B - C), where C = arctan(a/b), a>0, to rewrite the…

A:

Q: 5. Verify the identity cos -(a -B)| COS we sin( B) -

A:

Q: Use a half angle formula or formula for reducing powers to fill in the blanks in the identity below:…

A: use half angle formula to fill the identity cos23x=___+___cos___x

Q: 57 2. Use an appropriate sum or difference identity to find the exact value of cos 12 V2 1 (a) 2 (d)…

A: Given query is to find the value of Indicated angle.

Q: 3- 4. O Cos e

A: Here we have to use logarithmic differenciation, so before applying differenciation we have to use…

Q: Verify the identity. (csc? 0+ 1) (- cos? 0+1) = 2- cos? 0 Which of the following four statements…

A: our objective is to verify the above identity.

Q: 6. Prove the given identity (clearly show ALL your steps): 1+cos(2A) cot?(A) 1-cos(2A)

A: We have to simplify

Q: Prove the identity 28in CA+ )•cos (A+ ) = 2 cos A-1 %3D

A: We have to verify the identity: 2sinA+π4·cosA+π4=2cos2A-1 Here we are going to use these identities:…

Q: Draw and find the exact value  of these expressions   csc(cos-1 square root of 3 over 2) cot(cos-1…

A: Part (a) given expression

Q: 57 in terms of sin(r) and cos(a). 3 Rewrite cos Check Answer

A: Using geometry formula

Q: bcos2x+c Suppose that 2 cos z + 4 sinr cos z masin 2r + is an IDENTITY, determine the values of a,…

A: Given :2cos2x+4sinxcosx=asin2x+bcos2x+c

Q: 5T is equivalent to 12 The expression csc 1- 2 sin? 12 1 Cos 6. - 1- cos 6. 5 2 cos? 6 - 2]

A: Topic = Trigonometry Correct option  csc5π12=21-cos5π6

Q: Find the value of the product. 5 cos(37.5°) cos(7.5°) 57 Need Help? Read It

A:

Q: 5. cos 20 = cos²0 – ! 2

A:

Q: Use the power reducing_formulas to rewrite tan 3x cos 3x in terms of the first power of cosine.…

A:

Q: Use a double angle formula to rewrite the expression 1/2(cos^2x ) -1/4

A:

Q: 26. Simplify the expression cot² -cos² T cot² x cos²x 2 0 2 0 1 о O-2 O-1

A: Solution: The objective is to simplify the given expression

Q: 2) Find the exact value of each expression. As always, show all calculations. os-1 (cos ()) a) cos

A: Part a,Given,          cos-1cos7π6

Q: Find the value of the product. 7 cos(52.5°) cos(7.5°)

A:

Q: rove the identity: cos2 ?+ cos2?tan2?= 1

A: Givencos2θ +cos2θ tan2θ =1

Q: Use a half angle formula to fill in the blanks in the identity below: (cos(4z))² - cos( 2)

A:

Q: Use a half angle formula to fill in the blanks in the identity below: (cos(4x))^2=(___________) +…

A: Consider the given information:

Q: 10. Write the given expression in terms of x and y only. sin(cos-1 x – cot-1 y)

A: Accoding to question given that sincos-1x-cot-1y

Q: Establish the identity cos u sec u- c Write the left side ter so cosu - Cos

A: