9.1 Trig Ratios

# 9.1 Trig Ratios - x = = 1 r csc sin y = = 1 x cot tan y = =...

This preview shows pages 1–7. Sign up to view the full content.

Trigonometric Ratios Section 9.1

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
A trigonometric ratio is a ratio of sides of a right triangle. The three most common ratios are sine , cosine , and tangent . x y r θ
SOH – CAH - TOA sine = sin = opposite y hypotenuse r = cosine = cos = adjacent x hypotenuse r = tangent = tan = opposite y adjacent r = θ

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Reciprocal Functions 1 r sec cos

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: x = = 1 r csc sin y = = 1 x cot tan y = = Special Right Triangles 2 1 1 1 Joke Time What do you get when you cross an elephant with a fish? Swimming trunks! What do you get when you cross an elephant with a kangaroo? Big holes all over Australia!...
View Full Document

## This note was uploaded on 12/01/2011 for the course MATH 112 taught by Professor Jarvis during the Fall '08 term at BYU.

### Page1 / 7

9.1 Trig Ratios - x = = 1 r csc sin y = = 1 x cot tan y = =...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online