CBSE Class 11-science Answered
Prove
Asked by | 16 Sep, 2008, 07:37: PM
Expert Answer
this question is wrong.
since 110.5o lies in second quadrant and in that quadrant cot is negative.
but here 21/2 +1 is positive.
Answered by | 19 Dec, 2008, 08:26: PM
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