16. Three times the sine of a certain angle is twice of the square of the cosine of the same angle. Find the value of the angle. А. 300 В. 45° C. 60° D. 90°
16. Three times the sine of a certain angle is twice of the square of the cosine of the same angle. Find the value of the angle. А. 300 В. 45° C. 60° D. 90°
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.1: Verifying Trigonometric Identities
Problem 59E
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16. Three times the sine of a certain angle is twice of the square of the cosine of the same angle. Find the value of the angle.
17. Solve the trigonometric equation 2sin2x + sinx − 1 = 0 for 0 ≤ x ≤ 2π.
20. Solve the trigonometric equation sinx + cosx = 0.
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