How to simplify 2 sin x csc 2x?
2 Answers
Mar 1, 2018
Explanation:
We want to simplify
#2sin(x)csc(2x)#
Use the identity
#sin(2x)=2sin(x)cos(x)#
Thus
Mar 1, 2018
Explanation:
#"using the "color(blue)"trigonometric identities"#
#•color(white)(x)secx=1/cosx" and "cscx=1/sinx#
#•color(white)(x)sin2x=2sinxcosx#
#rArr2sinx xx1/(sin2x)#
#=cancel(2sinx)xx1/(cancel(2sinx)cosx)#
#=1/cosx=secx#