Use the given conditions to find the exact values of sin(2u), cos(2u), and tan(2u) using the double-angle formulas. cos(u) = − 24/25,     ?/2 < u < ? sin(2u)  =      cos(2u)  =      tan(2u)  =

Q: Find the exact values of the following: (a) tan−1 (−1) (b) sin (cot−1 (5 2))

A:

Q: sin ;cos T = 6.

A: To find sin-π6=     cosπ=

Q: Identify its cofunction A. Sin(pi/6) B. Tan(50) C. Sec(pi/6) D. Csc(pi/2) E. Cos(pi/4)

A: Cofunction of trigonometric function

Q: What is the value of sec(x) if sin=24/25

A: Given,

Q: 4. Find the exact value (in exact form) of sin

A: cos(2x) = 1-2sin2(x)

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 cos(0) 7. and 0 is in the 4th quadrant, find sin(0) 8. sin(A)

A: Since, cos θ=78and θ is in the fourth quadrant.Our Aim is to find sin θ=?

Q: (1) Find the exact values, without using a calculator, of sin (2r), cos (2r) and tan(2r) if tan (r)…

A:

Q: Find the exact value.

A: We have to find exact value of the trigonometric angle: a  sin 2π3b  sin -5π4 We know the…

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: Use the double-angle formula for cosine to compute cos(20) given cos( os(0) = where 0 <0<. 79 90

A: Given.

Q: rewrite cos(x+4pi/3) in terms of sin(x) and cos(x)

A:

Q: Solve the given equation for x  cos(tan-1x)=sin(cot-1 (3/4))

A: we have to solve for x