root 1-cosA/root 1+cos 1= sin A/1+cos A (prove)
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Answer:
proved
Step-by-step explanation:
LHS = root 1-cosA/root 1+cosA = √ 1-cosA/√ 1+cosA
= √( 1-cosA)²/√ 1+cosA)√( 1-cosA) = 1 -cosA ÷ sinA = sinA÷1+csA = RHS
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