Contribute & Test Your Skills
Popular Questions
- prove that cosec2♀ - cos2♀/cot2♀
- Evaluate (1.) cos 53 degree - sin 37 degree
- Show that
- If A, B and C are interior angles of a triangle ABC
- If 3 tan A = 4, prove that
- Evaluate :(i) sin 36 degree / cos 54 degree(ii) cot 18 degree / tan 72 degree
- If sec theta + tan theta = p, show that sec theta - tan theta = 1/p
- If cos theta - sin theta = underoot 2 sin theta, prove that cos theta + sin theta
- State whether the following statements are true or false. Justify your answer
- State whether the following statements are true or false. Justify your answer
- Write all the other trignometric ratios of angle A in terms of sec A
- Evaluate (1.) sin 41 degree/cos 49 degree
- Find the value of (tan 1 degree tan 2 degree tan 3 degree....... tan 89 degree)
- cos A / 1 - tan A + sin square A / sin A - cos A = sin A + cos A
- sin A + sin B / cos A + cos B + cos A - cos B / sin A - sin B = 0
- Express the trigonometric ratios sin A, tan A and sec A in terms of cot A
- Choose the correct option. Justify your choice
- Evaluate: (i) cos 15 degree - sin 75 degree (ii) sec 49 degree - cosec 41 degree
- If A, B, C are the angles of a triangle ABC
- cosec theta + cot theta / cosec theta - cot theta = (cosec theta + cot theta) square
- (sin A /1 + cos A + 1 + cos A /sin A) (sin A / 1 - cos A - 1 - cos A /sin A)
- Given that 2 sin A cos A + (cos A + sin A) square - (2 cos A + sin A) square
- If angle A and angle B are acute angles such that cos A
- From the following figure, find
- Find the value of
- 1 + tan cube theta / 1 tan theta + tan theta - sec square theta = 0
- (tan theta + sec theta - 1) (tan theta + 1 + sec theta) = 2 sin theta / 1 - sin theta
- If m = cos theta - sin theta and n = cos theta + sin theta
- (cosec theta - sin theta) (sec theta - cos theta) = sin theta . cos theta
- Find the value of (tan 1 degree tan 2 degree tan 3 degree......... tab 89 degree)
- Evaluate tan 50 degree + sec 50 degree/cot 40 degree + cosec 40 degree + cos 40 degree cosec 50 degree
- Prove the trigonometric identity
- Find the value of 3 sin 30 degree - 4 sin cube 60 degree
- Prove the following: (i) sin theta /cos(90 degree - theta)
- sin theta / 1 + cos theta + 1 + cos theta / sin theta = 2 cosec theta
- sec square theta - sin square theta / tan square theta = 1 + cot square theta - cos square theta
- Show that 2 (sin (power 6) theta + cos (power 6) theta) - 3 (sin (power 4) theta + cos (power 4) theta) + 1 = 0
- If sinA = 3/4, calculate cosA and tanA
- Evaluate cos2 30° + sin2 45° - 1/3 tan2 60°
- If angle A = angle B =45°, verify that sin (A + B) = sin A cos B
