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VK GLOBAL PUBLICATION-INTRODUCTION TO TRIGONOMETRY-SELF - ASSESSMENT TEST
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- If sin B = (12)/(13), then find cot B.
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- Evaluate : (3 cos 55^(@))/(7 sin 35^(@)) - (4 cos 70^(@) cosec 20^(@))...
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- Prove that : (sin^(4)theta- cos^(4) theta+ 1) "cosec"^(2)theta=2
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- If a cos theta - b sin theta = c, prove that a sin theta + b cos thet...
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- Prove the trigonometric identities: (1+cotA+t a n A)(s in A-cos A)=(s ...
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