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Prove that the equation in Diagram is true. Show full working out.?

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  • Prove that the equation in Diagram is true. Show full working out.?


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Answer #1 | 23/07 2014 17:25
rhs = 2 + sec x csc x = 2 + 1 /(sin x cos x) = ( 2 sin x cos x + 1) / ( sin x cos x) using 1 = sin^2 x + cos^2 x = ( 2 sin x cos x + sin^2 x + cos ^2 ) /( sin x cos x) = ( sin x + cos x)^2 / ( sin x cos x ) = lhs

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