Given that cos 0D <0

Q: Simplify the following expressions. a. b. C. cos (270°+x) cos(4x) cos(3x) - sin(4x) sin(3x) sin (0)…

A: formula used cos(a+b)=cos(a)cos(b0-sin(a)sin(b)tanx=sinxcosx

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

A:

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

A:

Q: Find the value of cos (570)sin (510) + sin (- 330)cos (- 390)

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: if g- Sin (cos 8x) Find y NP

A:

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: Find the exact value of each expression. sin 1 (a) 2 cos(-) (b) COS 2 tan (1) (c)

A: we know that Range  of sine inverse function is[-pi/2,pi/2]. sin(pi/3)=sqrt3/2 and value of sine…

Q: 2/5 If cos a = and sin a < 0, find the exact value of cos (a +) Show the formulas you are using.

A: The trigonometric function value is given by cosα = 255 and sinα&lt;0 To evaluate : The value of…

Q: a) Simplify the following expression. cos cos '(2x)+ si

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Q: (sin x+ cos x). Find xp

A:

Q: Let cos A = -5/13 with A in QIII and sin B = 3/5 with B in QI. Find the exact answer for cos (A+B)…

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Q: Find cos 0 and csc 0 3 if sin 0 = -- and cos 0 < 0

A: given  sinθ=-34we know sin2θ+cos2θ=1and sinθ=1cscθ

Q: = sin () cos %3D ») = sin (4) b. cos

A: To prove the given question