Wednesday

September 17, 2014

September 17, 2014

Posted by **Heather** on Tuesday, March 19, 2013 at 3:22pm.

- Trig -
**Steve**, Tuesday, March 19, 2013 at 3:28pmdraw the triangles and you will see that

tan(s) = 12/5

tan(t) = 4/3

Now just plug in your sum formula:

tan(s+t) = (tan s + tan t)/(1 - tan s * tan t)

**Answer this Question**

**Related Questions**

Trig - Given: cos u = 3/5; 0 < u < pi/2 cos v = 5/13; 3pi/2 < v < ...

math - Use the exact values of the sin, cos and tan of pi/3 and pi/6, and the ...

Trig hep, please? Thank you! - 1. Find the exact value of sin(195(degrees)) 2. ...

math - Use the exact values of the sin, cos and tan of pi/3 and pi/6, and the ...

TRIG! - Posted by hayden on Monday, February 23, 2009 at 4:05pm. sin^6 x + cos^6...

Mathematics - Trigonometric Identities - Let y represent theta Prove: 1 + 1/tan^...

Math- Trig - 1. Determine the exact value of cos^-1 (pi/2). Give number and ...

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 ...

Alg2/Trig - Find the exact value of the trigonometric function given that sin u...