CBSE Class 11-science Answered
In first quadrant,why sinx=cosx???
Asked by Dshruthilaya | 16 Aug, 2012, 10:43: PM
Expert Answer
It is not true that sinx = cos x in first quadrant. It is true only when x = 45 degrees.
Answered by | 17 Aug, 2012, 09:36: AM
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