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Select the correct option from the given alternatives: In `/_\ABC`, if `c^2+a^2-b^2 = ac` then `/_B = ` A) `frac{pi}{4}` B) `frac{pi}{3}` C) `frac{pi}{2}` D) `frac{pi}{6}`

A

`frac{pi}{4}`

B

`frac{pi}{3}`

C

`frac{pi}{2}`

D

`frac{pi}{6}`

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CHETANA PUBLICATION-Trignometric Functions-EXERCISE
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  8. If sin^-1(frac{4}{5})+cos^-1(frac{12}{13}) = sin^-1alpha , then alpha...

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  14. If tan theta+tan 2theta+tan 3theta = tantheta tan 2theta tan 3theta th...

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  15. Select the correct option from the given alternatives: If any /\ABC, i...

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  16. Select the correct option from the given alternatives: A trigonometric...

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  18. Select the correct option from the given alternatives The period of ta...

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  19. Select the correct option from the given alternatives:The number of pr...

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