Question

sin x cos=?????????????????????????

Answer 1

Answer:

sinx. cosx is the product of 2 ratios namely sine and cosine of x this can also be written as the reciprocal of cosecx. secx. Its range is from -1/2 to 1/2.It can be written as 2sinxcosx/2 hence it is equal to sin2x/2= sqrt(1-cos^2 2x)/2.