Saturday

April 18, 2015

April 18, 2015

Posted by **Anonymous** on Tuesday, August 9, 2011 at 11:03pm.

- trig -
**Reiny**, Tuesday, August 9, 2011 at 11:20pmIf tanØ = 7/24 and Ø is in III

then sinØ = -7/25 and cosØ = -24/25

sin (2Ø) = 2sinØcosØ

= 2(-7/25)(-24/25) = 336/625

**Answer this Question**

**Related Questions**

Trig - Tan theta 12/5 ,pi <theta<3pi/2 Find sin 2theta

Math - sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),...

Math - 1)Find cos theta if sin theta=3/5 and 90 degrees<theta<180 degrees...

Trigonometry - Thank you STEVE!!!!! Suppose that Cos (theta) = 1/square root 2 ...

Trig - 1. Establish the identity: sin(theta+3pi/2)=-cos(theta) 2. Find the exact...

trig - Write each identity expression in terms of:1. cos theta= a. sin^2theta...

math - tan theta= 15/8 and pi< theta<3pi/2 a. Sin(- theta) b. cos2theta c...

math - There are no typos and no work b/c I don't know how to do them. Thanks. 1...

Math - There are no typos and no work b/c I don't know how to do them. Thanks. 1...

I dont think drawing a picture will help me drwls - Which expression is ...