Express the sum or difference as a product of sines and/or cosines. sin (90) sin (30) OA. 2 sin (30) B. 2 sin (60) cos (30) OC. 2 cos (30) cos (60) O D. 2 sin (30) cos (60)

Q: If sin 0 = 0.3, find the value of: sin 0 + sin (0 + 27) + sin (0 + 47)

A:

Q: (a) i (b). sin i

A:

Q: letter (A,B,C,D, or E) in each blank. a b 1.1 - cos² (x) 2.1 3. cot (x) 4. tan(x) 5 sec² (r) A. sin²…

A:

Q: cos u= 4/5. Evaluate sin v

A: Explanation: Given that,                          We know that,                        For angle u,…

Q: 3 sin B =- 5 5 0< A<- 13 Зл find the following: 3. If cos A = and t <B<- a. cos(A+B) b. sin(A+B)

A: topic - trigonometric identities cos(A+B)=cosAcosB-sinAsinB

Q: Cos?B Simplify Sin B + sin B

A:

Q: (4) Find the exact value of sin Write your answer in radians in terms of 1. JT sin %3D 2

A: The range of Sin inverse x is -π/2 to π/2

Q: Verify the identies A. Cot (theta)+tan (theta )=sec(theta)csc(theta) B. 4tanxsecx=1+sinx/1-sinx -…

A: We have to verify the given identities. Here we will use following formulas-…

Q: Simplify sin? 0 sec? 0 - sec? 0. b.tan 0 a.1 c.cose d.sec0

A: We will simplify using various trig identities as following-

Q: Simplify sin(7 − a) + sin tan(π + a) Select one: a. b. OC. 1 + sina sina + tana tana Od. 1 + tana…

A:

Q: cos(T+ tan 1 /2x)

A:

Q: 1 200 -1 1 What is the value of the -coordinate of point A?

A:

Q: )-tan (-V3) 4. Find the exact value of expression sin cos -1 /2 2

A:

Q: Simplify sin(π/3) ⋅ cos(π/6) ⋅ tan(π/4)

A: