Mathematics · Trigonometry

Find the value of sec2 18° - cot2 72° + sin2 30° + cosec2 60° - cosec2 18° + tan2 72°.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

11912✓
21019
31219
41910

Correct answer

1912

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Find the value of sec2 18° - cot2 72° + sin2 30° + cosec2 60° - cosec2 18° + tan2 72°.

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Find the value of sec2 18° - cot2 72° + sin2 30° + cosec2 60° - cosec2 18° + tan2 72°.

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