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# Category: Education

## Cos theta- sin theta+1/cos theta+ sin theta -1 = cosec theta +cot theta

## Find the HCF and LCM of 306 and 54. Also, verify that HCF x LCM = Product of given two numbers.

## Prove that Sin squared theta + Cos squared theta is equal to 1

## cos a / 1+ sin a + 1+ sin a / cos a = 2 sec a

## (sec square theta – 1) (1 – cosec square Theta) = -1