Mathematics · Trigonometry
If tan A + sec A = K, then what is the value of sin A?
- 1K2 + 1K2 - 1
- 22KK2 + 1
- 3K2 - 1K2 + 1✓
- 4K2 - 12K
Correct answer
K2 - 1K2 + 1
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