( * )(cot theta + cosec theta – 1 ) / (cot theta – cosec theta + 1)=
laxman , 10 Years ago
Grade 11
Trigonometry> ( * ) (cot theta + cosec theta – 1 ) / (c...
1 Answers
Nishant Vora
Last Activity: 10 Years ago
Hello student, Please find the answer to your question below
(cot theta + cosec theta – 1 ) / (cot theta – cosec theta + 1)
= cot 2theta - (cosec theta – 1)2
= cot 2theta - (cosec2 theta +1 – 2 cosec theta)
= cot 2theta – cosec2 theta -1 + 2 cosec theta
= -2 +2 cosec theta
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