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Prove that 2 tan^(-1) ((3)/(4)) = tan^(-...

Prove that `2 tan^(-1) ((3)/(4)) = tan^(-1) ((24)/(7))`

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Prove that 2 tan^(-1) ((1)/(8)) + tan^(-1) ((1)/(7)) + 2 tan^(-1) ((1)/(5)) = (pi)/(4)

Prove that 2tan^(-1)((1)/(2))=tan^(-1)((4)/(3))

Prove that tan^(1)((3)/(4))+tan^(-1)((1)/(7))=(pi)/(4)

Prove that : 2 sin^(-1)( 3/5) = tan^(-1)( 24/7)

Prove that tan ^ (- 1) ((1) / (3)) + tan ^ (- 1) ((1) / (7)) + tan ^ (- 1) ((1) / (13)) + ......... + tan ^ (- 1) ((1) / (n ^ (2) + n + 1)) +

Prove that: tan^(-1)((1)/(4))+tan^(-1)((2)/(9))=(1)/(2)cos^(-1)((3)/(5))

Prove that 2tan^(-1)((1)/(2))+tan^(-1)((1)/(7))=sin^(-1)((31)/(25sqrt(2)))

prove that: 2 tan ^(-1)x =(1)/(3) tan^(-1).(1)/( 7) = (pi)/(4)

Prove that: tan^(-1)((1)/(5))+tan^(-1)((1)/(7))+tan^(-1)((1)/(3))+tan^(-1)((1)/(8))=(pi)/(4)

Prove the following: tan^(-1)((1)/(4))+tan^(-1)((2)/(9))=(1)/(2)cos^(-1)((3)/(5))

NAVNEET PUBLICATION - MAHARASHTRA BOARD-QUESTION BANK 2021-TRIGONOMETRIC FUNCTIONS
  1. In Delta ABC, if sin^(2)A + sin^(2)B = sin^(2)C, then show that a^(2) ...

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  2. The polar co-ordinates of the point whose cartesian co-ordinates are (...

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  3. Prove that 2 tan^(-1) ((3)/(4)) = tan^(-1) ((24)/(7))

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  4. Evaluate sin[cos^(-1) ((3)/(5))]

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  5. In Delta ABC, a = 3, b = 4 and sin A = (3)/(4), find angle B.

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  6. Find the principal solutions of cosec x = 2.

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  7. Find the general solutions of sin x - 1 = 0

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  8. Find the Cartesian co-ordinates of point whose polar co-ordinates are ...

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  9. In any A B C , prove that: (cos A)/a+(cos B)/b+(cos C)/c=(a^2+b^2+c^2...

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  10. Find the general solutions of cos 2x = 1.

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  11. In Delta ABC, prove that (b - c)^(2) cos^(2) ((A)/(2)) + (b + c)^(2) s...

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  12. The principal solution of sinx=(-1)/(2) is

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  13. Find the value of cos^(-1) ((1)/(2)) + tan^(-1) ((1)/(sqrt(3)))

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  14. In triangleABC, if a=13, b=14, c=15, then cosB=

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  15. In Delta ABC, if (cos A)/(a) = (cos B)/(b), then show that it is an is...

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  16. The principal solution tanx=-sqrt(3) is

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  17. Evaluate cos [(pi)/(6) + cos^(-1) (-(sqrt(3))/(2))]

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  18. If a cos A = b cos B, prove that the Delta ABC is either isosceles o...

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  19. In DeltaABC, prove that (cos 2A)/(a^(2))-(cos 2C)/(c^(2)) = (1)/(a^(2)...

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  20. If tan^(-1) x + tan^(-1)y + tan^(-1)z = pi show that : 1/(xy) + 1/(y...

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