The value of cos30°+isin30°cos30°-isin30°is equal to
i
-i
1+i32
1-i32
1+i
Explanation for correct option
Given trigonometric function is cos30°+isin30°cos60°-isin60°
cos30°+isin30°cos60°-isin60°=32+i1212-i32=3+i1-i3=3+i1+i31-i31+i3=3+i-3+3i1+3=4i4=i
Hence, the correct option is OptionA