" (a) "sin(270^(@)+A)=-cos A

If A = pi/2 , cos A + sin (270^(@) -A)+ cos (180^(@) +A)=

Find the values of : (i) tan (-30^(@)) (ii) sin 120^(@) (iii) sin 135^(@) (iv) cos 150^(@) (v) sin 270^(@) (vi) cos 270^(@)

Find the values of: (i) tan (-30^(@)) (ii) sin 120^(@) (iii) sin 135^(@) (iv) cos 150^(@) (v) sin 270^(@) (vi) cos 270^(@)

Find the values of : (i) tan (-30^(@)) (ii) sin 120^(@) (iii) sin 135^(@) (iv) cos 150^(@) (v) sin 270^(@) (vi) cos 270^(@)

Find the values of: (i) tan (-30^(@)) (ii) sin 120^(@) (iii) sin 135^(@) (iv) cos 150^(@) (v) sin 270^(@) (vi) cos 270^(@)

If A = pi/2 , cos A + sin (270^(@) -A)+ cos (180^(@) +A)= .................. A) -1 B) 0 C) 1 D) 1/2

cos A + sin (270 ^ (@) + A) -sin (270 ^ (@) - A) + cos (180 ^ (@) + A) = 0

If sin(270^(@) - x) = cos 292^(@) , then find x in (0, 360^(@))

The value of [cos (270^(@) +theta)cos (90^(@) -theta)-sin (270^(@) -theta)cos theta) is-