Home
Class 11
MATHS
If (3-"tan"^(2)(pi)/(7))/(1-"tan"^(2)(pi...

If `(3-"tan"^(2)(pi)/(7))/(1-"tan"^(2)(pi)/(7))="k cos" (pi)/(7)` then the value of k is

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Tan^(-1)("tan"(2pi)/3)=

"cos" (2pi)/(7)+"cos" (4pi)/(7)+"cos"(6pi)/(7)=

If "tan"^(2)(pi-4)/(4)+"tan"^(2)(pi-B)/(4)+"tan"^(2)(pi-C)/(4)=1 , then Delta ABC is

sin "" (2pi)/(7) + sin "" (4pi)/(7) + sin "" (8pi)/(7) =