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Given : 4 sintheta = 3 cos theta , find...

Given : `4 sintheta = 3 cos theta` , find the value of:
`cos theta`

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The correct Answer is:
`4/5`
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ICSE-TRIGONOMETRICAL RATIOS -EXERCISE 22(B)
  1. If tan A + cot A = 5, find the value of tan^2 A + cot^2 A.

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  2. Given : 4 sintheta = 3 cos theta , find the value of: sin theta

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  3. Given : 4 sintheta = 3 cos theta , find the value of: cos theta

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  4. Given : 4 sintheta = 3 cos theta , find the value of: cot^2 theta ...

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  5. Given : 4 sintheta = 3 cos theta , find the value of: 4 cos^2theta-...

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  6. Given : 17 cos theta = 15, find the value of tan theta + 2 sec theta.

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  7. Given 5 cos A - 12 sin A = 0 , evaluate : (sinA+cosA)/(2 cosA-sinA)

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  8. In the given figure, angleC = 90^@ and D is midpoint of AC. Find : ...

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  9. In the given figure, angleC = 90^@ and D is midpoint of AC. Find : ...

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  10. If 3 cos A = 4 sin A, find the value of : cos A

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  11. If 3 cos A = 4 sin A, find the value of : 3 - cot^2A+ "cosec"^2A

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  12. In triangle ABC, angleB = 90^@ and tan A = 0.75 If AC = 30 cm, find t...

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  13. In rhombus ABCD, diagonals AC and BD intersect each other at point O. ...

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  14. In triangle ABC, AB = AC = 15 cm and BC = 18 cm. Find : cos B

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  15. In triangle ABC, AB = AC = 15 cm and BC = 18 cm. Find : sin C

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  16. In triangle ABC, AB = AC = 15 cm and BC = 18 cm. Find : tan^2B - sec...

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  17. In triangle ABC, AD is perpendicular to BC. sin B = 0.8, BD = 9 cm an...

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  18. Given : q tan A = p, find the value of : (p sin A -q cos A)/(p sin A...

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  19. If sin A = cos A, find the value of 2tan^2 A - 2 sec^(2)A + 5.

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  20. In rectangle ABCD, diagonal BD = 26 cm and cotangent of angle ABD = 1....

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