1. Use a calculator to evaluate to four decimal places. a) sin 15° b) cos 55° 2. Use a calculator to determine the angle to the nearest degree. 2 (²) b) sin ¹(0.7071) 5 a) tan

Q: What is the exact value of sin(465°)?

A:

Q: Evaluate tan (315°) + sin (150°) =

A: To find:- tan315°+sin150°

Q: Determine the exact value of cos (15°), sin (15°), and tan(15°).

A: To find the value of: cos (15°), sin (15°), and tan(15°)   Using trigonometric formula:

Q: Find the measure of cos-1 (-0.5) in degrees and radians.

A: cos-1-0.5

Q: 3. Evaluate without calculator a. cos 120 degree. b. sec (pi/3) c. cot ( 19 pi / 6)

A:

Q: d. cos 270° e. tan f. sec (60°)

A:

Q: 2) Use a calculator to find the value of each expression rounded to tow decimal places. a. cos-1 0.6…

A: To find the value of  cos-1(0.6)  and  tan-1(-3.27) to two decimal places.

Q: Give the exact value of the following: sin? (300°) + sec(135°)

A:

Q: find the angle Sin A = 0.5

A:

Q: 1. Find the value of x. 72°

A:

Q: What is the exact value of sin(22.5°)cos(22.5°)?

A:

Q: 2. Find the value of x 65° to 105°

A:

Q: What is the exact value of sin(-150°)?

A:

Q: What is the exact value of sin(67.5°)cos(22.5°)?

A: