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If a = 2pi / 7 radians , find the value of : tan a tan 2a + tan 2a tan 4a + tan 4a tan a

If a = 2pi / 7 radians , find the value of :


tan a tan 2a + tan 2a tan 4a + tan 4a tan a

Grade:11

1 Answers

SAGAR SINGH - IIT DELHI
878 Points
13 years ago

Dear karthik,

This question is very similar to the earlier one you posted. Use trigonometric ratios and identities.

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Sagar Singh

B.Tech, IIT Delhi



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