Math, asked by somanshv, 1 month ago

T The value of tan π/16 + 2 tan π/8+4 is equal to

Answers

Answered by vaishalispawar7

0

Answer:

Weknowthat,tanA=cotA−2cot2A

LHS=tan

16

π

+2tan

8

π

+4

=cot

16

π

−2cot

8

π

+2(cot

8

π

−2cot

4

π

)+4

=cot

16

π

+4−4

=cot

16

π

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