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Prove that tanA/secA-1=secA+1/tanA |
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Answer» Answer: Step-by-step explanation: TanA/SecA - 1 MULTIPLY NUMERATOR and denominator by SecA + 1 => TanA/SecA - 1 * SecA + 1 / SecA + 1 => TanA(SecA + 1) / (SecA - 1)(SecA + 1) => TanA(SecA + 1) / Sec²A - 1 => TanA(SecA + 1) / Tan²A (∵ Sec²A - 1 = TanA) => SecA + 1 / TanA = R.H.S Hence proved |
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