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## (sin35/cos55)²+(cos55/sin35)²-2cos60

## 1/1-sin theta + 1/1+sin theta = 2 sec^2 theta

## Find the value of tan square 10 – cot square 80

## tan theta – cot theta/sin theta cos theta = tan^2 theta – cot^2 theta.

## If the roots of the equation (a-b)x^2 +(b-c)x+(c-a) =0 then prove that b+c=2a

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Continue reading “1/1-sin theta + 1/1+sin theta = 2 sec^2 theta”

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Continue reading “Find the value of tan square 10 – cot square 80”

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Continue reading “tan theta – cot theta/sin theta cos theta = tan^2 theta – cot^2 theta.”

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Continue reading “If the roots of the equation (a-b)x^2 +(b-c)x+(c-a) =0 then prove that b+c=2a”

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