alleryએક લઘુકોણનો કોસાઈન (cosine) 8/17 છે. તેનો સાઈન (sine) કેટલો થાય?
A15/17
B8/15
C17/15
D9/17
Answer & Solution
Correct answer: A. 15/17
Sin θ એ 1 - 64/289 = 225/289 નું વર્ગમૂળ છે, જે 15/17 થાય છે.
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