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How to find cos

 Sep 21, 2017
 #1
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cos θ = adjacent / hypotenuse

 Sep 21, 2017
 #2
avatar+70 
+1

You can use acrosyms to remember this

This one is so silly you will definately remember it

 

Some.  (Sin).            

Old.      (Opposite)

Hippie.  (Hypotenuse)

 

 Sin=Opposite/Hypotenuse

 

Caught.  (Cosine).       

Another.  (Ajacent)

Hippie     (Hypotenuse)

 

Cosine=Ajacent/Hypotenuse

 

Trippin

On

Acid

 

Tangent= Opposite/Ajacent

 Sep 21, 2017
 #3
avatar+8 
+2

\(cos\theta= \boxed{adjacent/hypotenuse}\)

 

I remember sin, cos, and tan by SOHCAHTOA

sin= opposite/hypotnuse

cos=adjacent/hypotnuse

tan= opposite/adjacent

 Sep 21, 2017

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