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Maharashtra State BoardSSC (English Medium) 10th Standard
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Syllabus

If cot (90 – A) = 1, then ∠A = ?

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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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Notes

 

 

 

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] Standard 10 Maharashtra State Board
Chapter 6 Trigonometry
Q.1 (B) | Q 6.
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