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यदि `DeltaABC` में ,`a=2,b=3,c=4` हो , तो `angle A` का मान होगा -

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यदि `DeltaABC` में ,`a=2,b=3,c=4` हो , तो `angle A` का मान होगा -
A. `cos^(-1)((1)/(24))`
B. `cos^(-1)((11)/(16))`
C. `cos^(-1)((7)/(8))`
D. `cos^(-1)((-1)/(4))`
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Correct Answer - C
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