CBSE Class 11-science Answered
Trigonometry
Asked by | 16 Sep, 2009, 01:25: PM
Expert Answer
(sin63/cos63)-(cos63/sin63)
=-(cos 63*cos63-sin63*sin63)/sin63cos63
=-2cos126/sin126
=-2cot126
the double angle formulae have been used here.
Answered by | 06 Oct, 2009, 08:55: AM
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