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9. Values of Trigonometric Functions at Multiples and Submultiple of a
Home · Class 11 · Maths · Ref. Book · 9. Values of Trigonometric Functions at Multiples and Submultiple of a
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Q7 of 123 Page 9

Prove that:


We know,


(as –cot θ=cot (180°–θ))


Hence the above LHS becomes

















Hence proved


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Questions · 123
9. Values of Trigonometric Functions at Multiples and Submultiple of a
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