Express ` sin 30^0+i cos 30^0 ` in polar form

Express sin30^(@)+i cos30^(0) in polar form

Express sin 50^@ + i cos 50^@ in the polar form. Also find r and theta .

Given sin 30^@ = 0.5 and cos 30^@ = 0.866 , find an approximate value of sin 31^@ .

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

Express sqrt2+ i =r cos theta +ir sin theta complex numbers in the polar form.

Express sin(pi)/(5)+i(1-cos(pi)/(5)) in polar form.

In the following problems, use differentials to find the approximate values: sin 30.5^@ , when sin 30^@ = 0.5 and cos30^@= 0.866

Evaluate it [[sin30 ^ (@), cos30 ^ (@) - sin60 ^ (@), cos60 ^ (@)]]