Question 1192632
csc(x)=8 Given)
⇒sinx=1/8

 cos^2x=1−sin^2x
⇒cos^2x=1−1/64=63/64
⇒cosx=3√7/8

1.	sin2x=2sinxcosx
sin2x=2×18×3√78
sin2x=3√732

2.	cos2x=2cos^2x−1
cos2x=(2×63/64)−1
cos2x=(63/32)

3.	tan2x=sin2xcos2x
tan2x=3√7/31