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Let f(x)=e^cos^((-1)){sin(x+pi/3)}dot Th...

Let `f(x)=e^cos^((-1)){sin(x+pi/3)}dot` Then, `f((8pi)/9)=` `e^(5pi//18)` (b) `e^(13pi//18)` (c) `e^(-2pi//18)` (d) none of these

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Let f(x)=e^(cos^(-1){sin(x+pi/3)}) Then, f((8pi)/9)= (a) e^(5pi//18) (b) e^(13pi//18) (c) e^(-2pi//18) (d) none of these

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The value of the expression sin^(-1)(sin(22pi)/7)cos^(-1)(cos(5pi)/3)+tan^(-1)(tan(5pi)/7)+sin^(-1)(cos2) is (17pi)/(42)-2 (b) -2 (-pi)/(21)-2 (d) non eoft h e s e

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The value of sin(pi/18)+sin(pi/9)+sin((2pi)/9)+sin((5pi)/18) is

RD SHARMA ENGLISH-INVERSE TRIGONOMETRIC FUNCTION-All Questions
  1. If cos^(-1)x/3+cos^(-1)y/2=theta/2 , then 4x^2-12 x ycostheta/2+9y^2= ...

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  2. If alpha=tan^(-1)((sqrt(3)x)/(2y-x)) , beta=tan^(-1)((2x-y)/(sqrt(3)y)...

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  3. Let f(x)=e^cos^((-1)){sin(x+pi/3)}dot Then, f((8pi)/9)= e^(5pi//18) ...

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  4. tan^(-1)(1/(11))+tan^(-1)(2/(11)) is equal to (a) 0 (b) 1//2 (c) -1 (d...

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  5. If cos^(-1)x/2+cos^(-1)y/3=theta , then 9x^2-12 x ycostheta+4y^2 is eq...

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  6. If tan^(-1)3+tan^(-1)x=tan^(-1)8 , then x= (a) 5 (b) 1//5 (c) 5//14 (...

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  7. The value of sin^(-1)(cos((33pi)/5)) is (a) (3pi)/5 (b) -pi/(10) (c) p...

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  8. The value of cos^(-1)(cos((5pi)/3))+sin^(-1)(sin((5pi)/3)) is (a) pi/2...

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  9. sin{2\ cos^(-1)(-3/5)} is equal to (a) 6//25 (b) 24//25 (c) 4//5 (d) -...

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  10. If theta=sin^(-1){sin(-600^(o) ) } , then one of the possible values...

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  11. If 3\ sin^(-1)((2x)/(1+x^2))-4\ cos^(-1)((1-x^2)/(1+x^2))+2\ tan^(-1)(...

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  12. If 4\ cos^(-1)x+sin^(-1)x=pi , then the value of x is (a) 3/2 (b) 1/(s...

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  13. If tan^(-1) ((x+1)/(x-1))+tan^(-1)((x-1)/x)=tan^(-1)(-7) , then the va...

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  14. If cos^(-1)x >sin^(-1)x , then

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  15. In a triangle A B C , , if C is a right angle, then tan^(-1)(a/(b+c))...

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  16. The value of sin(1/4sin^(-1)((sqrt(63))/8)) is (a) 1/(sqrt(2)) (b) 1/(...

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  17. Prove that cot(pi/4-2cot^(- 1)3)=7

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  18. If tan^(-1)(cottheta)=2\ theta , then theta= (a) +-pi/3 (b) +-pi/4 (c...

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  19. If sin^(-1)((2a)/(1+a^(2))) + cos^(-1)((1-a^(2))/(1+a^(2)))=tan^(-1)((...

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  20. The value of sin(2\ tan^(-1)(0. 75)) is equal to (a) 0.75 (b) 1.5 (c) ...

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