Home
Class 12
MATHS
If sqrt((1+cosA)/(1-cosA))=(x)/(y), the...

If `sqrt((1+cosA)/(1-cosA))=(x)/(y)`, then the value of tan A =

A

`(2xy)/(x^(2)-y^(2))`

B

`(2xy)/(y^(2)-x^(2))`

C

`(x^(2)+y^(2))/(x^(2)-y^(2))`

D

`(2xy)/(x^(2)+y^(2))`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • KARNATAKA CET 2007

    KCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|59 Videos

  • KARNATAKA CET 2009

    KCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|60 Videos

Similar Questions

Explore conceptually related problems

If (a)/(cosA)=(b)/(cosB)=(c )/(cosC) , then triangle is

If "tan"^(-1)(x+1)/(x-1)+"tan"^(-1)(x-1)/(x)=tan^(-1)(-7) then the value of x is

(sin3A)/(sinA)-(cos3A)/(cosA)=2

If sinA = cosA , find the value of 2 tan^(2)A+sin^(2)A-1 .

If y = tan^(-1) sqrt((1+sin x)/(1-sinx)) , then dy/dx =

Given 0 le x le (1)/(2) then the value of tan[sin^(-1){(x)/(sqrt(2)) + sqrt(1-x^(2))/(sqrt(2))}-sin^(-1)x] is

If y = tan^(-1) sqrt((1-cos x)/(1+cosx)) , then (d^(2)y)/(dx^(2)) = =