sec^2theta/(2tantheta) = ? Explain And Answer Question
1 Answer
May 2, 2018
Explanation:
"using the "color(blue)"trigonometric identities"
•color(white)(x)sectheta=1/costheta" and "tantheta=sintheta/costheta
•color(white)(x)csctheta=1/sintheta
rArr(1/(cos^2theta))/((2sintheta)/costheta)
=1/(cancel(costheta)costheta)xxcancel(costheta)/(2sintheta)
=1/(2sinthetacostheta)
=1/2xx1/sinthetaxx1/costheta=1/2cscthetasectheta