cosA/1-tanA + sinA/1-cotA = sinA + cosA
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Step-by-step explanation:
CosA1–SinA+SinA1−CotA=SinA+CosA
LHS = CosA1–SinA+SinA1−CotA LHS=CosA1−SinACosA+SinA1−CosASinA LHS=Cos2ACosA–SinA+Sin2ASinA–CosA LHS=Cos2A–Sin2ACosA–SinA LHS=(CosA+SinA)(CosA–SinA)CosA–SinA LHS=(CosA+SinA) = RHS
LHS = RHS
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