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If 3cos^2 A+7 sin^2 A=4, then what is th...

If `3cos^2 A+7 sin^2 A=4`, then what is the value of cot A, given that A is an acute angle?
यदि `3cos^2 A+7 sin^2 A=4` है, तो cot A का मान ज्ञात करें, यदि दिया हुआ है कि A एक न्यून कोण है ?

A

1

B

`sqrt3`

C

`sqrt3/2`

D

`1/sqrt3`

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