Question

can anyone tell me the
formulae used in Trigonometric
identities​

Answer 1

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Answer 2

identities are as follows:

sin^theta + cos ^theta =1

sec ^theta = 1+ tan ^ theta

cosec ^ 2 theta= 1+ cot^2 theta

1/ sin theta = cosec theta

1/ cos theta = sec theta

1/tan theta= cot theta

sin ( 90- theta)= cos theta

cosec (90- theta ) = sec theta

tan ( 90- theta) = cot theta

sin theta = perpendicular / hypotenuse

cos theta= Base/ hypotenuse

tan theta = perpendicular/ base

cosec theta = hypotenuse / perpendicular

sec theta= hypotenuse/ base

cot theta = base / perpendicular

The table of angles in picture.