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. Find the value of 3 tan-3 cosee64° |
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Answer» Tan(26°)=cot(90-26) = cot(64°)so 3tan^2(26)=3cot^2(64)so 3tan^2(26)–3cosec^2(64) can be written as3cot^2(64)–3cosec^2(64)= 3[cot^2(64)–cosec^2(64)] = 3(-1) = -3the answer is -3 |
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