Posted by **Hannah** on Friday, March 19, 2010 at 1:57pm.

Given that tan(Q) = -3/4 and Q is in the second quadrant tell the value of the cosQ

cos=-4/5 Correct?

- Math(Check) -
**bobpursley**, Friday, March 19, 2010 at 1:58pm
correct

## Answer this Question

## Related Questions

- math - tan (u-v) given sin u=3/4 and cos v= -5/13 with U and V in quadrant 2 Use...
- Pre-calculus help - I have two problems I am stuck on, if you could show me how ...
- math - Another: theta is a second quadrant angle in standard position and tan ...
- Math(Please help) - 1)tan Q = -3/4 Find cosQ -3^2 + 4^2 = x^2 9+16 = sqrt 25 = 5...
- Math - sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),...
- Trig Question - Given that tan x= -3/4 and x is in the second quadrant. Find sin...
- Integration - Intergrate ¡ì sec^3(x) dx could anybody please check this answer. ...
- Trig - Given: cos u = 3/5; 0 < u < pi/2 cos v = 5/13; 3pi/2 < v < ...
- Trig. - sec^2xcotx-cotx=tanx (1/cos)^2 times (1/tan)-(1/tan)=tan (1/cos^2) times...
- Trigonometry - Please review and tell me if i did something wrong. Find the ...