Question

Trig question check

If csc=3/2 and pi/2 11 years ago

Answer 1

Sin=2/3

use the pythagorean identity

(2/3)^2+cos^2=1

cos^2=1-(2/3)^2

cos^2=5/9

cos=sqrt of 5/3

tan=sin/cos

tan=

Answer 2

\[-\frac{ 2\sqrt{5} }{ 5 }\]

Answer 3

@bibby @Directrix

Answer 4

@Loser66 @SolomonZelman

Answer 5

i get most of it but my book says the answer is POSITIVE..

Answer 6

i would think the domain here is the 2nd quadrant

Answer 7

\[\tan(\theta)=-\frac{2}{\sqrt5}\]

Answer 8

the minus because you are in quad 2

Answer 9

yep. knew something was wrong with my book, thanks