Mathematics · Trigonometry
If sec(θ) + tan(θ) = x, then find sin(θ).
- 1x 2 + 1 1 − x 2
- 2x 2 − 1 1 + 2x 2
- 3x 2 − 1 1 + x 2✓
- 41 − x 2 1 + x 2
Correct answer
x 2 − 1 1 + x 2
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