Homework Help: trig

Posted by Jen on Saturday, January 21, 2012 at 7:06pm.

Please explain to me how to get this -- what quadrant tan theta < 0, sin theta < 0 is in.

trig - bobpursley, Saturday, January 21, 2012 at 7:52pm
tan theta is negative. Which means either
sinT is -, or cosT is neg, but not both.
sinT is - when quadrant III, IV
cosT is - in II, III

so answer is IV where sin is -, cos is not -

Related Questions

easy trig - If sin(theta)=[sqrt(70)]/7 and theta is in Quadrant two, find the ...
simple trig - If sin(theta)=[sqrt(70)]/7 and theta is in Quadrant two, find the ...
Precalculus(NEED HELP ASAP PLEASE!!) - cot(theta)= 3 pi < theta < ...
Math - 1. Let (-7, 4) be a point on the terminal side of (theta). Find the exact...
Trig - what quadrant is this in and please explain... sin theta < 0, cos ...
math - tan theta= 15/8 and pi< theta<3pi/2 a. Sin(- theta) b. ...
Trigonometry - Thank you STEVE!!!!! Suppose that Cos (theta) = 1/square root 2 ...
trig - If theta is the measure of an angle in standard position with the given ...
Precalculus(NEED HELP ASAP PLEASE!!) - PLEASE HELP!! csc(theta)= -3/2 3pi/2 &...
trig - If sin 2 theta = (2/5) in Quadrant 2, find sin theta, cos theta, tan ...

For Further Reading

First Name:
School Subject:
Answer: