math/trigonometry
posted by jake .
solve secx/2=cosx/2 over the interval[0,2pi) without using a calculator

multipy both sides by cos x/2
sec cos=cos^2
1=cos^2
cos x/2= +1
posted by jake .
solve secx/2=cosx/2 over the interval[0,2pi) without using a calculator
multipy both sides by cos x/2
sec cos=cos^2
1=cos^2
cos x/2= +1