Home
Class 12
MATHS
If tan^(-1) 4 + tan ^(-1) 5 = cot^(-1...

If ` tan^(-1) 4 + tan ^(-1) 5 = cot^(-1) lambda " , then find " 'lambda'`

Text Solution

Verified by Experts

The correct Answer is:
`lambda = ( -19)/9 `
Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    ARIHANT MATHS|Exercise Exercise For Session 6|5 Videos
  • INVERSE TRIGONOMETRIC FUNCTIONS

    ARIHANT MATHS|Exercise Exercise For Session 7|7 Videos
  • INVERSE TRIGONOMETRIC FUNCTIONS

    ARIHANT MATHS|Exercise Exercise For Session 4|10 Videos
  • INDEFINITE INTEGRAL

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|8 Videos
  • LIMITS

    ARIHANT MATHS|Exercise Exercise For Session 6|5 Videos

Similar Questions

Explore conceptually related problems

tan^(-1) (-1) -cot^(-1) (1) is equal to

The equation of a plane which bisects the line joining (1, 5, 7) and (-3, 1, -1) is x+y+2z=lambda , then find lambda .

tan^-1(1) -cot^-1(-1) is equal to :

The value of tan^(-1)x+cot^(-1)x is

Evaluate int (tan^(-1)x + cot^(-1)x) dx

If cot^-1 x = tan^-1(1/x) for all x in S, then find the set S.

Prove that 4 tan^(-1) . 1/5 - tan^(-1) . 1/70 + tan^(-1) . 1/99 = pi/4