CBSE Class 11-science Answered
Trigonometric Functions & Identities
Asked by | 25 Jun, 2008, 09:31: PM
Expert Answer
sin25 = cos2(90-5) = cos285
similarly convert the other terms and use the property sin2A + cos2A = 1 to simplify
Answered by | 26 Jun, 2008, 02:46: PM
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