how is 1/(cosec^2-sec^2) = sin^2/(1-sin^4)
Palash Agarwal , 11 Years ago
Grade 12
Trigonometry> how is 1/(cosec^2-sec^2) = sin^2/(1-sin^4...
1 AnswersArun Kumar
its not
put theta =30
left part is 3/8
right part is 4/15
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