Find the value of `sin 0^@ + cos 0^@ `.

Find the value of 2sin 30^@ +cos 0^@ +3 sin 90^@ .

Find the value of sin330^(0)cos120^(0)+sin300^(0)*cos210^(@)

find the value of sin18^(0) and cos36^(@)

Find the value of (sin30^(@))/(cos^(2)45^(@))-tan^(2)60^(@)+3cos90^(@)+sin0^(@) .

Find the value of, cos alpha cos beta, cos alpha sin beta, -no alpha-sin beta, cos beta, 0 sin alpha cos beta, sin alpha sin beta, cos alpha] |

Find the value of int_(0)^( pi)(x sin x)/(1+cos^(2)x)backslash dx

Find the value of int_(0)^(pi//2)cos^(5)x sin ^(7)xdx

If sin theta-cos theta=0 then find the value of sin^6theta+cos^6theta

Find the value of x in each of the following: (i)tan3x=sin45^0cos45^0+sin30^0, (ii)cosx=cos60^0cos30^0+sin60^0sin30^0 , (iii)sin2x=sin60^0cos30^0-cos60^0sin30^0dot

Find the value of int_(0)^( pi)sin^(7)x cos^(7)xdx