Sin2theta×sin2phi+sin2theta×cos2phi+cos2theta×sin2phi+cos2theta×cos2phi+3cosec4theta-3cot4theta-6cot2theta
Asked by Chelsea Dhawan
| 11th Oct, 2014,
07:46: PM
Expert Answer:
Answered by Prasenjit Paul
| 13th Oct, 2014,
11:02: AM
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