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singhaisha76:
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If cot b=5/4 then show that cosec Sq B=1+COT Sq B
hey bro do as the same metod
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first in a triangle ABC take B and name the corresponding side Ie 5 and 4 Ie cos = adjacent /hypotenuse. the find cosec Sq b and cot Sq b the check whether the 2 ans are correct or not.
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(1+tan^2 A) Sin^2 A=tan^2 A
How to solve it?
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