cos theta-sin theta +1 by cos theta +sin theta-1=cosec theta +cot theta
cos theta-sin theta +1 by cos theta +sin theta-1=cosec theta +cot theta
Prove that the tangent at any point of a circle is perpendicular to the radius through the point of contact
If given matrix is singular than find the value of x
3. x 2
1 4 x
5. x+8. 2