Malorie's Holiday blog #3

I'm reviewing 9.1 right triangles

We learned anout right angles and SOHCAHTOA.

In order to do this, you must know the following formulas:

Sin = opp/hyp
Cos= adj/hyp
tan= opp/adj
cot= adj/opp
sec= hyp/adj
csc= adj/hyp

(*this is only used for right triangles)

Example:

In triangle ABC, Angle A = 90 degrees, Angle B= 30 degrees, and a = 15. Find b and c.

in order to find c you must do cos 30=c/15
c=12.99

in order to find b, you must use the pythagorean theorem.
b= 7.5