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In Delta ABC, if sin^(2)A + sin^(2)B = s...

In `Delta ABC`, if `sin^(2)A + sin^(2)B = sin^(2)C`, then show that `a^(2) + b^(2) = c^(2)`.

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NAVNEET PUBLICATION - MAHARASHTRA BOARD-QUESTION BANK 2021-TRIGONOMETRIC FUNCTIONS
  1. Evaluate cot (tan^(-1) (2x) + cot^(-1) (2x))

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  2. In any triangle ABC prove that: c cos B-bc cos A=a^2-b^2

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  3. In Delta ABC, if sin^(2)A + sin^(2)B = sin^(2)C, then show that a^(2) ...

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

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

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

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

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

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

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

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  11. 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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  12. Find the general solutions of cos 2x = 1.

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

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

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

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

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

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

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

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

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