Friday

March 27, 2015

March 27, 2015

Posted by **Lucy** on Tuesday, August 23, 2011 at 2:47pm.

- Trig -
**Bob**, Tuesday, August 23, 2011 at 3:05pmIf sin(x)= 4/5 then O=4, H=5 from SOH-CAH-TOA. Using pythagorean thm. yields A=3.

cos(x)=A/H

tan(x)=O/A

csc(x)=H/O

sec(x)=H/A

cot(x)=A/O. In the 2nd quadrant sin,csc are positive, the other 4 are negative.

**Answer this Question**

**Related Questions**

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

trig - Find the exact values of the other trig functions of theta given sec ...

Trig - Let (theta) be an angle in quadrant II such that sec(theta) -4/3 . Find ...

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

trig - Let be an angle in quadrant II such that sec(theta) -4/3 . Find the exact...

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

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

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