prove that :cos7x+cos5x/sin7x+sin5x=cotx
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Required Answer:-
Given to prove:
Proof:
We know that,
Taking LHS,
Taking RHS,
Hence, LHS = RHS (Proved)
Relationship between different Trigo Functions:
- sin(x) = 1/cosec(x)
- cos(x) = 1/sec(x)
- tan(x) = 1/cot(x)
- sin(x)/cos(x) = tan(x)
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