Given tanx=sqrt3/3, cosx=-sqrt3/2 to find the remaining trigonometric function?

1 Answer
Jan 10, 2017

sinx=-1/2

cotx==sqrt(3)

secx=-2/3sqrt(3)

cscx=-2

Explanation:

Since

tanx>0 and cosx<0,

since

tanx=sinx/cosx,

it is sinx<0.

Then
sinx=color(red)-sqrt(1-cos^2x)=-sqrt(1-(-sqrt(3)/2)^2)=-sqrt(1-3/4)=-1/2

cotx=1/tanx=3/sqrt(3)=sqrt(3)

secx=1/cosx=-2/sqrt(3)=-2/3sqrt(3)

cscx=1/sinx=-2