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Select and write the correct answer from the alternatives in each of the following :
The principal solution of `cos^(-1)(-1/2)` is :

A

`(pi)/(3)`

B

`(pi)/(6)`

C

`(2pi)/(3)`

D

`(3pi)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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  6. cot^(-1)((-1)/(sqrt(3))) का मुख्य मान ज्ञात कीजिए ।

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  7. Find the principal and general solution of cos e c x = 2

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  8. The value of sin^(-1)(sin'(3pi)/(5)) is "….."

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  11. The principal solution of cos^(-1)(cos((9pi)/4)) is

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  12. निम्नलिखित के मान ज्ञात कीजिए : tan^(-1)(tan""(3pi)/(6))

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  13. निम्नलिखित के मान ज्ञात कीजिए : cos^(-1)(cos""(3pi)/(6))

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  15. cos^-1 (1/2) + 2 sin^-1 (1/2).

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