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.

20. Solve the trigonometric equation sinx + cosx = 0.
C.
A. 4
3'3
B.
5 11m
D.
6
Transcribed Image Text:20. Solve the trigonometric equation sinx + cosx = 0. C. A. 4 3'3 B. 5 11m D. 6
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. 30°
B. 45°
C. 60°
D. 90°
17. Solve the trigonometric equation 2sin?x + sinx – 1 = 0 for 0 <xs 2n.
А.
B.
C. #
D. 4.
Transcribed Image Text: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. 30° B. 45° C. 60° D. 90° 17. Solve the trigonometric equation 2sin?x + sinx – 1 = 0 for 0 <xs 2n. А. B. C. # D. 4.
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