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Q: Find sin π/4, cos π/4, and tan π/4.

A:

Q: Let sin A = 12 13 with A in QII and sin B = −  8 17 with B in QIII. Find sin(A + B), cos(A + B),…

A: Given:

Q: Find the exact value of each expression. 1) cos-0 V3 3) cos- 5) sin- -1 7) cos-1 1 9) sin- 1 11) cos

A:

Q: epresent 3 sin x + 6 cos x in a form A sin(x + p), use radians for p.

A:

Q: Both x and y are in the domain (0, pi/2) and the value of sinx = 3/5 and cosy = 12/13. Which of the…

A: The objective of the question is to find the value of tan(x + y) given that sin(x) = 3/5 and cos(y)…

Q: 8 17 3 3. (Trigonometry) If sin(a) 음 where 0 < a < 5 and cos(B) 2 where 5 IT * < B < 2n, find the…

A: for simplicity use  here we have

Q: Let sinA=-4/5 with A in QIII and cosB=-3/5 with B in QII. Anwer Exactly. Find sin(A-B), cos(A-B),…

A: Given,

Q: Which one of the following is NOT a solution of  sinx(2cosx+1)=0 a. 7pi b. 2pi/3 c. 5pi/3 d.…

A:

Q: 11. Express 0 in each figure in terms of x. (a) (b) 3 4 12. Find the exact value of cos(tan).

A: Our Aim is to express θ in terms of x.(a) tan θ=PerpendicularBase⇒ tan θ=x4Answer⇒θ=tan-1x4

Q: Q.#10 Using sine-12/13 and << from Q. #9, please find the following. Hint: You'll need the tricks…

A:

Q: 1-) 2csc23x 1-S sec3xVsin3x

A:

Q: 4. If (sin2x + cos2x)dx =, sin(2x – c) + a, find the values of a and c.

A: Introduction :

Q: Find a value of b such that cos(2b-pi/4)=sin(b+pi/5)

A: Given,          cos2b-π4=sinb+π5

Q: 6. If sin =-0.3, find the value of sin (0+7).

A: Given: sin θ=-0.3