CBSE Class 10 Answered
to prove
Asked by fathima12 | 18 Aug, 2010, 11:33: PM
Expert Answer
Dear Student,
LHS = sec4A [1-sin4A] - 2tan2A
= sec4A - tan4A - 2tan2A
= (1 + tan2A)2 - tan4A - 2tan2A
= 1 + tan4A + 2tan2A - tan4A - 2tan2A
= 1
= RHS
Hence Proved.
Regards Topperlearning.
Answered by | 19 Aug, 2010, 12:49: AM
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