so what you do is Soh Cah Toa, Cah for cosine so if you have a triangle you do the length of the adjacent divided by hypotenuse and the number you get (the rest depends on the calculator) you press 2nd or shift then cos button on your calculator. remember the calculator must be scientific
the actual formula is cosine theta=a
h
then you write the numbers in and you should know the rest
cosine = adjacent/hypotenuse. It can be used as other trig functions can.
Cosine and secant are even trig functions.
Cosine(30) = sqrt(3)/2
To calculate the cosine in a right angled triangle: Length of adjacent side divided by the hypotenuse. Check out these articles for a simple free tool and tutorial that will make trig simple enough for ANYBODY to understand! http://www.ehow.com/how_5520340_memorize-trig-functions-losing-mind.html http://www.ehow.com/how_5227490_pass-mind-part-unknown-sides.html http://www.ehow.com/how_5428511_pass-part-ii-unknown-angles.html
The distance formula using Pythagorean theorem: trig values trig formulas triangle abc trigonometric concepts trigonometric formulas.
cosine = adjacent/hypotenuse. It can be used as other trig functions can.
Cosine and secant are even trig functions.
1.75
Trig identity... sin/cos = tangent
Trig ratios or to give them their proper name are trigonometrical rations applicable to right angle triangles and they are tangent ratio, sine ratio and cosine ratio.
Trig ratios or to give them their proper name are trigonometrical rations applicable to right angle triangles and they are tangent ratio, sine ratio and cosine ratio.
pen0r
Short for cosine. Check this site out for detailed info. http://www.clarku.edu/~djoyce/trig/
The Y-Intercept of the cosine function is X = 0, Y = cosine(0) = 1.
its short for sine. theres sine, cosine, and tangent. sine is opposite over adjacent for the sides of a triangle (or angles)
Cosine(30) = sqrt(3)/2
The Tangemt Formula for Geometry is opposite over adjacent, or opp./adj.