Friday

April 18, 2014

April 18, 2014

Posted by **lily** on Friday, April 10, 2009 at 1:38am.

- math -
**Damon**, Friday, April 10, 2009 at 2:15am3,4,5 right triangle in quadrant 2

cos t = -4/5

tan t = sin t/cos t = -3/4

tan 2 t = 2 tan t / (1-tan^2 t)

= 2 (-3/4) / (1-9/16)

= (-3/2)/(7/16)

= -3 /(7/8)

= -24/7

=-3.43

**Related Questions**

Math - 1. Let (-7, 4) be a point on the terminal side of (theta). Find the exact...

trig - If sin theta is equal to 5/13 and theta is an angle in quadrant II find ...

math - Another: theta is a second quadrant angle in standard position and tan ...

Precalculus(NEED HELP ASAP PLEASE!!) - cot(theta)= 3 pi < theta < 3pi/2 ...

Calculus - I wanted to confirm that I solved these problems correctly (we had to...

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 ...

math (trig) - if cos 2 theta = -(1/3) and theta is in Quadrant 2, find sin theta...

math - I have a question I have been working on since yesterday and I am not ...

trig - If sin 2 theta = (2/5) in Quadrant 2, find sin theta, cos theta, tan ...