Find the equation of the circle with: Center `(a\ cosalpha,\ a\ sinalpha)` and radius `adot`

Find the equation of the circle with Centre at (a cos alpha,a sinalpha) and radius a

Find the adjoint and inverse of the matrix [{:(cosalpha,-sinalpha),(sinalpha,cosalpha):}]

Select the correct option from the given alternatives.If A = [[cosalpha,sinalpha],[-sinalpha,cosalpha]] then A^-1 = ? 1) [[frac{1}{cosalpha},-frac{1}{sinalpha],[frac{1}{sinalpha},frac{1}{cosalpha]] 2) [[cosalpha,-sinalpha],[sinalpha,cosalpha]] 3) [[-cosalpha,sinalpha],[-sinalpha,cosalpha]] 4) [[-cosalpha,sinalpha],[sinalpha,-cosalpha]]

Find the inverse of the matrix (if it exists): [[1,0,0],[0,cosalpha,sinalpha],[0,sinalpha,-cosalpha]]

Find the inverse the matrix (if it exists)given in [(1, 0, 0),( 0,cosalpha ,sinalpha),(0, sinalpha, -cosalpha)]

Find the equation of the following curves in cartesian form. If the curve is a circle find the centres and radii. (i) x = -1 + 2cosalpha, y = 3 + 2sinalpha.

Find the equation of the following curves in cartesian form. If the curve is a circle find the centres and radii. (i) x = -1 + 2cosalpha, y = 3 + 2sinalpha.

Find the equation of the following curves in cartesian form. If the curve is a circle find the centres and radii. (i) x = -1 + 2cosalpha, y = 3 + 2sinalpha.

Find the inverse of [(1, 0, 0),( 0,cosalpha,sinalpha),(0,sinalpha,-cosalpha)]

Evaluate the following: |[cosalpha, sinalpha],[sinalpha, cosalpha]|