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Maharashtra State BoardSSC (English Medium) 10th Standard
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If cot( 90 – A ) = 1, then ∠A = ? - Geometry Mathematics 2

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Question

If cot( 90 – A ) = 1, then ∠A = ?

Sum
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Solution

cot(90 – A) = 1     .....[Given]

∴ tan A = 1

∴ A = 45°    .....[∵ tan 45° = 1]

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Trigonometric Ratios of Complementary Angles
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Q 6
Chapter 6: Trigonometry - Q.1 (B)

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SCERT Maharashtra Geometry (Mathematics 2) [English] 10 Standard SSC
Chapter 6 Trigonometry
Q.1 (B) | Q 6
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