Mathematics · Trigonometry

If A + B = 90°, then the expression cot Acot B + cos2 A + cos2 B is equal to:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1cot2 B
2cosec2 A✓
3cot2 A
4cosec2 B

Correct answer

cosec2 A

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If A + B = 90°, then the expression cot Acot B + cos2 A + cos2 B is equal to:

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If A + B = 90°, then the expression cot Acot B + cos2 A + cos2 B is equal to:

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