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( sin 4 A sin 3A - sin 5A sin 2A+ sin 7A...

`( sin 4 A sin 3A - sin 5A sin 2A+ sin 7A sin 4A )/(cos 2A cos 3A - cos 2A * cos 7A + cos A * cos 10A )=`

A

`tan4 A * tan 5A `

B

`tan 5A * tan 6A `

C

`tan 4A * tan 6A `

D

`tan 5A * tan 2A `

Text Solution

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The correct Answer is:
B
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