Home
Class 12
MATHS
Prove that cos(2tan^-1 1/7) = sin ( 4 ta...

Prove that `cos(2tan^-1 1/7) = sin ( 4 tan^-1 1/3)`

Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    PRADEEP PUBLICATION|Exercise EXERCISE|279 Videos

  • INTEGRALS

    PRADEEP PUBLICATION|Exercise EXERCISE|1126 Videos

  • LINEAR PROGRAMMING

    PRADEEP PUBLICATION|Exercise EXERCISE|135 Videos

Similar Questions

Explore conceptually related problems

Prove that sin(2 tan ^-1 1/3) + cos (tan^-12sqrt2) = 14/15

Prove that : 2tan^-1 (1/4) + tan^-1 (1/3) = tan^-1 (39/37)

Prove that : 2tan^-1 (1/2) + tan^-1 (1/7) = tan^-1 (31/17)

Prove that tan^-1 (1/7) + tan^-1 (1/13) = tan^-1 (2/9)

Prove that : 2tan^-1 (1/2) + tan^-1 (1/6) = tan^-1 (27/14)

Prove that 2 tan^-1 (-3) = - pi/2 + tan^-1 (-4/3)

Prove that 2 tan^-1 (1/2) + tan^-1 (1/9) = tan ^-1 (39/23)

Prove that tan^-1 1 + tan^-1 2 + tan^-1 3 = pi

Prove that : 2 tan^-1 (1/5) + tan^-1 (1/8) = tan^-1(4/7)

Prove that : 2 tan^-1 (1/2) + tan^-1 (1/5) =tan^-1 (23/11)