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# Month: January 2019

## If sin theta = 4/5 , find the value of 4tan theta -5 cos theta/ sec theta plus 4 cot theta.

## sec squared theta minus sin squared theta minus two sine power four / 2 cos power 4 – cos squared = 1

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

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

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