Home
Class 11
MATHS
The value of the expression 1- (sin^(2...

The value of the expression
`1- (sin^(2)y)/(1+ cos y) + (1+ cos y)/(sin y) -(sin y)/(1- cos y)` is .................. A) 0 B) 1 C) sin y D) cos y

A

0

B

1

C

`sin y`

D

`cos y`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

(cos 12^(@) - sin 12^(@))/(cos 12^(@) + sin 12) + (sin 147^(@))/(cos 147^(@))= ................... A) 1 B) -1 C) 0 D) sqrt3

(1+ sin A- cos A)/( 1+ sin A + cos A)= .................... A) sin ""A/2 B) cos ""A/2 C) tan ""A/2 D) cot ""A/2

If sin x + sin y =1/2 and cos x + cos y = 1 then tan (x + y) ............. A) (-8)/(3) B) 8/3 C) 4/3 D) -3/4

The angle between the lines x cos 30^(@) + y sin 30^(@) =3 and x cos 60^(@) + y sin 60^(@) =5 is ............... A) 90^(@) B) 30^(@) C) 60^(@) D) 45^(@)

The general solution of the equation (e^y + 1)cos x dx + e^y sin x dy=0 is

If y= cos^(-1) (1-2 sin^2 x) , find dy/dx

If x= a(cos theta + sin theta ), y= a(sin theta + cos theta ), then [( d^2 y)/(d x^2 ) ] at theta = pi /4 ............. A) 0 B) 1 C) -1 D) 1/sqrt 2

If sin (x+y) +cos (x+y) =1,then (dy)/(dx)=