SOH CAH TOA

1
SOH CAH TOA
Sin? Opposite side Hypotenuse
Cos? Adjacent side Hypotenuse
Tan? Opposite side Adjacent side
For ?1
For ?2
Sin ?1 A C
Sin ?2 B C
Cos ?1 B C
Cos ?2 A C
Tan ?1 A B
Tan ?2 B A
Pythagorean Theorem A2 B2 C2 PT for other
than right angles R2 A2 B2 2AB cos ?
Remember The inside angles must all equal 180