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Prove that : cos^-1 (4/5) + cos^-1(12/13...

Prove that : `cos^-1 (4/5) + cos^-1(12/13) = cos^-1 (33/65)`

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Prove that : sin^-1 (3/5) + sin^-1 (5/13) = cos^-1 (33/65)

Prove that : cos^-1 (8/17) - cos^-1 (3/5) = cos^-1 (84/85)

Prove that : sin^-1(3/5) + cos^-1(12/13) = sin^-1(56/65)

Prove that sin^-1(4/5) + cos^-1 (12/13) = tan^-1 (63/16)

Prove that : cos^-1(12/13) + sin^-1(3/5) = cos^-1(33/65)

Prove that : sin^-1(4/5) + sin^-1 (5/13) = cos^-1 (16/25)

Prove that : sin^-1 (-4/5) = cos^-1 (-3/5) - pi

Prove that : cos^-1 (12/13) + sin^-1 (3/5) = sin^-1 (56/65)

Prove that : sin^-1 (5/13) + cos^-1 (3/5) =sin^-1 (63/65)

OMEGA PUBLICATION-INVERSE TRIGONOMETRIC FUNCTIONS -Important Questions from Miscellaneous Exercise
  1. Write the tan^-1 (frac{cos x - sin x}{cos x + sin x)), x < pi. in the ...

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  2. Prove that tan^(-1)""(1)/(2)+tan^(-1)""(1)/(5)+tan^(-1)""(1)/(8)=(pi...

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  3. Prove that : cos^-1 (4/5) + cos^-1(12/13) = cos^-1 (33/65)

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  4. Write tan^(-1)((x)/(sqrt(a^(2)-x^(2)))) in simplest form.

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  5. Write tan^(-1)((sqrt(1+x^(2))-1)/(x)),xne0 simplest form.

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  6. Find the value of cos^(-1)(cos""(13pi)/(6))

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  7. What is the principal value of "cos"^(-1)("cos"(2pi)/(3))+"sin"^(-1)("...

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  8. Prove that cos^(-1)""(12)/(13)+sin^(-1)""(3)/(5)=sin^(-1)""(56)/(65)

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  9. Prove that tan^(-1)""(1)/(2)+tan^(-1)""(2)/(11)=tan^(-1)""(3)/(4)

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  10. Prove that tan^(-1)""(2)/(11)+tan^(-1)""(7)/(24)=tan^(-1)""(1)/(2).

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  11. Express tan^(-1)((cosx)/(1-sinx)),-(pi)/(2)ltxlt(pi)/(2) in the simple...

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  12. Prove that tan^(-1) (1/5)+ tan^(-1) (1/7) + tan^(-1) (1/3) + tan^(-1) ...

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  13. Show that sin^(-1)""(3)/(5)-sin^(-1)""(8)/(17)=cos^(-1)""(84)/(85)

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  14. Prove that : cot^-1[(sqrt(1+sin x) + sqrt(1-sin x))/(sqrt1+sin x + sqr...

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  15. Prove that (9pi)/(8)-9/(4)"sin"^(-1)1/(3)=9/(4)"sin"^(-1)(2sqrt(2))/(3...

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  16. Solve tan^(-1)(x+1)+tan^(-1)(x-1)=tan^(-1)""(8)/(31)

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  17. Prove that "tan"^(-1)sqrt(x)=1/(2)"cos"^(-1)((1-x)/(1+x)),x in[0,1].

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  18. Solve the 2 tan^-1 (cos x) = tan^-1 (2 cosec x).

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  19. Prove that 3cos^(-1)x=cos^(-1)(4x^(3)-3x),x in[(1)/(2),1]

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  20. Show that "sin"^(-1)(5/(13))+"cos"^(-1)(3/(5))="tan"^(-1)(63/(16)).

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