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In Delta ABC, if : a = 2 cm , b = 3cm an...

In `Delta ABC`, if : a = 2 cm , b = 3cm and c = 4cm, then `/_A` =

A

`cos^(-1)(1/24)`

B

`cos^(-1)(11/16)`

C

`cos^(-1)(7/8)`

D

`cos^(-1)(-1/4)`

Text Solution

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The correct Answer is:
C
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MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-MULTIPLE CHOICE QUESTIONS - PART - B : MASTERING THE BEST
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