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etOR1-sineProve that V 1+sinesec- tanednn drm rm and รกcm and then: |
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Answer» LHS = √(1 + sin∅)/√(1 - sin∅)= √(1 + sin∅) × √(1 + sin∅)/√(1 -sin∅)×√(1 +sin∅)= √(1 + sin∅)²/√(1 -sin²∅)= (1 + sin∅)/√cos²∅= (1 + sin∅)/cos∅= 1/cos∅ + sin∅/cos∅= sec∅ + tan∅ = RHS Like my answer if you find it useful! |
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