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Solve equations involving squared trig functions
Worksheet
Grade Level
Trigonometry
TRIG.99 Solve equations involving squared trig functions
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Skill Level
🔴 Hard
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Select all solutions. Solve for x, 0° ≤ x < 360°: (cos x)² − (sin x)² = 0
A
x = 0°, 90°, 180°, 270°
B
x = 45°, 135°, 225°, 315°
C
x = 30°, 150°, 210°, 330°
D
x = 60°, 120°, 240°, 300°
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