यदि sin (A + B) = 1 और cos (A - B) = ( ...

यदि sin (A + B) = 1 और `cos (A - B) = ( sqrt(3))/(2)` है, `A + B le 90^(@)` और `A gt B ` है, तो `( 5 sin ^(2) B + 4 tan^(2) A)/( 2 sin B cos A)` का मान ज्ञात करे।

A

18

B

`16(1)/(2)`

C

20

D

`26(1)/(2)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

D

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