Mathematics · Trigonometry
In a roof truss design, two beams are placed such that one makes an angle θ with the horizontal and the other makes (90° - θ). If sin(θ) = 0.6, what is the value of sin2(θ) + cos2(90° - θ)?
- 10.36
- 21
- 30.72✓
- 40.6
Correct answer
0.72
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