What is #(3sectheta)/7# in terms of #costheta#?
1 Answer
Mar 19, 2018
Explanation:
#"using the "color(blue)"trigonometric identity"#
#•color(white)(x)sectheta=1/costheta#
#rArr(3sectheta)/7=3/7xx1/costheta=3/(7costheta)#