Evaluate the equation ;-
cos `90^(@) sin 0^(@) - sin 0^(@) cos 90^(@)`.

Find the value of cos 90^(@) + sin 90^(@)

The value of (cos 0^(@) + sin 45^(@) + sin 30^(@)) (sin 90^(@) - cos 45^(@) + cos 60^(@)) is

Choose the correct answer in each of the following questions: (cos0^(@)+sin30^(@) +sin45^(@))(sin 90^(@) + cos60^(@)-cos45^(@))=?

Evaluate : (cos 58 ^(@))/(sin 32^(@)) +(sin 22^(@))/(cos 68^(@)) - cos 90 ^(@)

Find x from the equation cosec (90^(o)+ A) + x cos A cot (90^(o) + A) = sin (90^(o) + A)

(cos0^(@)+sin90^(@))xx(tan30^(@)xxtan60^(@)) is: