Find the exact value of tan15°. 4 2+ /3

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: Determine the reference angle of -5π/6

A:

Q: Use a reference angle to find the exact value of cos 210 degree        -1/2

A: Let the given cosing angle be y - y = cos210Angle 210° lies in the third quadrant.So, we can take…

Q: Use a reference angle to find the exact value of tan 4π/3.

A: solution:- Use a reference angle to find the exact value of tan 4π/3.

Q: Determine the value of a in the equation 2tan z- tan 2r+ 2a = 1–- tan 2r tan?r.

A: Trigonometric formula: - Trigonometry formulae are a collection of formulas based on trigonometric…

Q: Find the exact value. a. cos, 2.

A: a. Obtain the value of cos3π2, cos3π2=cos2π-π2=cosπ2=0   Thus, the exact value of cos3π2 is 0.