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The value of sec(sin^-1(sin((-50pi)/9))+...

The value of `sec(sin^-1(sin((-50pi)/9))+cos^-1(cos(31pi)/9))`

A

`sec. (10pi)/9`

B

`sec . pi/9`

C

1

D

`-1`

Text Solution

Verified by Experts

The correct Answer is:
B
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ARIHANT MATHS-INVERSE TRIGONOMETRIC FUNCTIONS-Exercise (Single Option Correct Type Questions)
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  2. Which one of the following statement is meaningless ?

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

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  12. Number of solutions of the equation log(10) ( sqrt(5 cos^(-1) x -1 ...

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  13. Solve sin^(-1) x+ cos^(-1) x = sin^(-1) (3x -2)

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  15. The solution set of equation sin^(-1) sqrt(1-x^2) + cos^(-1) x = cot^(...

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  18. The value of Sigma(r=1)^(infty) tan^(-1) ( 1/(r^(2) + 5r + 7)) is equ...

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