Friday

April 18, 2014

April 18, 2014

Posted by **Anonymous** on Thursday, August 5, 2010 at 2:05pm.

- trig -
**Damon**, Thursday, August 5, 2010 at 2:52pm30 60 90 triangle has sides 1, sqrt3, 2

( 1^2 + 3 = 2^2)

therefore

sin 30 = 1/2 = cos 60

sin 60 = sqrt3 / 2 = cos 30

**Related Questions**

Trig - Find the exact value of: sin60-cos60. do I just type sin60-cos60 in my ...

maths- plseee urgently - value of sin18degree-sin66degree+sin60 degree

Pre-Cal - Find the exact value of sec 60°tan135°-cot60°sin60°

maths- plseee urgently - without calculator we need to find the value of ...

Trigonometry - tan45+sin60=(sin30+cos30) 1+ć3/2=(1/2+ć3/2) How do i work it ...

math - could someone please refresh my memory of the basic trig functions? ex) ...

Trig - Find (if possible) the trig function of the quadrant angle.

trig - simplify to a constant or basic trig function.. 1+tan(x)/1+cot(x)

Trig - Find all of the solutions between 0 and 2pi: 2sin(x)^2 = 2 + cos(x)

Trig - csc thea= -2, quadrant 4. what are the six trig functions?