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Prove that √1+cos/1-cos=1+cos/sin |
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Answer» Multiply both numerater and denominator by 1+cosYou will get √(1+cos)^2/√1-cos^21-cos^2 = sin^2√(1+ cos)^2/√sin^21+cos/sin √1+cos 1. --------------- √1-cos 2. √1+cos x1+cos -------------------------- √1-cos x 1+cos 3. √(1+cos)*2 ------------------ √ 1-cos*24. √1+cos ---------- √ Sin*25. 1+cos ------- Sin |
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