Math, asked by erugusrinu1980, 10 months ago

If sec A=5/4 prove that ; 3sin A-4sin³A/
4 cos³ A-3cos A=3tanA-tan³A/1-3tan²A

Answers

Answered by siddhureddy33

7

Answer:

117/44=117/44

Step-by-step explanation:

RGS=LHS

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