Q: How many radians is 191°? Give the exact answer in simplest form

A:

Q: Use reference angles to find the exact value of the expression csc 7π/6. Do not use a calculator.

A: We need to find the value of the given expression Using reference angles.

Q: Find the sine and cosine of 450.

A: Consider the unit circle whose side AB=1 and BC=1. Use the Pythagoras theorem,…

Q: A x+75° 33 2x 140° C

A:

Q: 6. Express cos 0-2sin 0 in the form of Rcos (0+a), where R>0 and O <a<90°. Hence, solve the equation…

A: To express the given expression cosθ-2sinθ in the form of Rcosθ+α. Multiply and divide the given…

Q: Tan(3B-20°)=Cot(2B+15°)

A: Tan(3B-20°)=Cot(2B+15°)

Q: What is the value of sec(585°)?

A: To find the value of sec585°, first write sec585° in terms of  cosine and solve as follows.…

Q: Suppose a = 9 and A = 20 degrees.

A:

Q: 4)sin?(x)+s sin (x)= 0

A: We have,  sin2x+13sinx=0   It is known that  sin(nπ)=0andsin(2n+1)π2=±1 So, we'll just take sin x as…

Q: 2. Find x 85 60° 30°

A: Given:

Q: Find the value of x 400 48° 48° メ

A: We need to find the value of angle x. We will use the Exterior angle property which says that the…

Q: Evaluate. tan(-315°) -1 1 √3

A: topic - trigonometric ratios tan(-x) =-tan (x) tan(360-x) =-tan x

Q: Simplify csc(60°)/tan(30°)

A:

Q: Sin(16.35°)and csc(16.35°)

A: To find sin(16.35)° and csc(16.35)°

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.