(cosec theta - sin theta) (sec theta - cos theta) = sin theta . cos theta
From the following figure, find
(sin A /1 + cos A + 1 + cos A /sin A) (sin A / 1 - cos A - 1 - cos A /sin A)
2 sin A cos A + (cos A + sin A) square - (2 cos A + sin A) square
Prove the trigonometric identity
1 + tan cube theta / 1 tan theta + tan theta - sec square theta = 0
If A, B and C are interior angles of a triangle ABC
Express the trigonometric ratios sin A, tan A and sec A in terms of cot A
If sin theta - cos theta = 0,
Express each of the following in terms of trignometric ratio of angles
tan theta - cot theta = 2 sin square theta - 1/sin theta cos theta
If cos theta - sin theta = underoot 2 sin theta, prove that cos theta + sin theta
2 (sin (power 6) theta + cos (power 6) theta) - 3 (sin (power 4) theta + cos (power 4) theta) + 1 = 0
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