SOLUTION: find the exact value of the indicated trigonometric function of theta.
sin theta = -2/5, tan theta > 0 find sec theta
Algebra ->
Trigonometry-basics
-> SOLUTION: find the exact value of the indicated trigonometric function of theta.
sin theta = -2/5, tan theta > 0 find sec theta
Log On
Question 1088891: find the exact value of the indicated trigonometric function of theta.
sin theta = -2/5, tan theta > 0 find sec theta Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! find the exact value of the indicated trigonometric function of theta.
sin theta = -2/5, tan theta > 0 find sec theta
---------
sin - and tan + --> Q3
---
cos = sqrt(1 - sin^2) = -sqrt(21)/5 (cos - in Q3)
sec = 1/cos = -5/sqrt(21)
= -5sqrt(21)/21
