Thursday

July 31, 2014

July 31, 2014

Posted by **hannah** on Tuesday, February 8, 2011 at 12:42pm.

- math -
**MathMate**, Tuesday, February 8, 2011 at 5:16pmcsc(θ)=-5/3

1/sin(θ)=-5/3

sin(θ)=1/(-5/3)=-3/5

cos(θ)=-√(1-(-3/5)²)

=-4/5

tan(θ)=sin(θ)/cos(θ)

=(-3/5)/(-4/5)

=3/4

tan(2θ)=2tan(&theta))/(1-tan²(θ))

=2(3/4)/(1-(3/4)²)

=3.43

(note: 2θ is in the first quadrant.

**Related Questions**

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

Pre-Calculus-check answers - If cos theta = 0.8 and 270<theta<360, find ...

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

Trigonometric Functions - Determine the Value of all six trigonometric functions...

trig - Let (theta) be an angle in quadrant II such that csc(theta)=8/5 Find the ...

trig - Let (theta) be an angle in quadrant II such that csc(theta)=8/5 Find the ...

trig - If theta is the measure of an angle in standard position with the given ...

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 ...

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