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(cosec A - sin A) (sec A - cos A)=1/tan A +cot A |
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Answer» Answer: LHS=(cosecA−sinA)(secA−cosA)=( sinA 1
−sinA)( cosA 1
−cosA) =( sinA 1−sin 2 A
)( cosA 1−cos 2 A
)=sinAcosA= 2 1
sin2A RHS= tanA+cotA 1
= 1+tan 2 A tanA
= 2 1
sin2A LHS=RHS Hence Proved please MAKE a brainlist answer |
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