Cosine Ratio
· Cosine ratio is written as cos for short.
· Adjacent, hypotenuse and “Theta” are used in cosine ratio.
· We use this when two of the following are given to find the third number.
· Adjacent, hypotenuse and “Theta” are used in cosine ratio.
· We use this when two of the following are given to find the third number.
· Acronym SOHCAHTOA is useful when using tan, sin and cos.
S: Sine
O: Opposite
H: Hypotenuse
C: Cosine
A: Adjacent
H: Hypotenuse
T: Tangent
O: Opposite
A: Adjacent
S: Sine
O: Opposite
H: Hypotenuse
C: Cosine
A: Adjacent
H: Hypotenuse
T: Tangent
O: Opposite
A: Adjacent