1. 2/10/2016Basic Trig Basic Trigonometry

2. 2/10/2016Basic TrigDefinitions Trigonometry – The area of math that compares the lengths of the sides of a triangle to the measures of its angles (The study of triangle measure) Trigonometric Ratio – A ratio of the lengths of the sides of a triangle. Sine, Cosine, and Tangent – The three most common trigonometric ratios

3. 2/10/2016Basic Trig Trigonometric Ratios

4. 2/10/2016Basic Trig Trigonometric Ratios

5. 2/10/2016Basic Trig Trigonometric Ratios

6. 2/10/2016Basic Trig SOH – CAH - TOA Sine equals Opposite over HypotenuseTangent equals Opposite over Cosine equalsAdjacent Adjacent over Hypotenuse

7. 2/10/2016Basic Trig Properties of Trig Ratios Sine and Cosine of any angle will always be less than 1Sine and Cosine of any angle will always be less than 1 Sine of A always equals Cosine of BSine of A always equals Cosine of B Sine of B always equals Cosine of ASine of B always equals Cosine of A Tangent A is the reciprocal of Tangent BTangent A is the reciprocal of Tangent B Tangent B is the reciprocal of Tangent ATangent B is the reciprocal of Tangent A

8. 2/10/2016Basic TrigClasswork 7-4 Study Guide and Intervention (Side 1) SIMPLIFY!!!!! 1)15/172) 8/151) 17.012) 48.59 3) 8/174) 15/17 3) 22.624) 75.96 5) 4/56) 3/4 7) 4/58) 3/55) 24.896) 34.22

9. 2/10/2016Basic Trig Solving For Missing Value To solve for missing side length: Determine which trig ratio will relate to given angle, given side, and desired sideDetermine which trig ratio will relate to given angle, given side, and desired side Set up equationSet up equation Solve equation, use table to determine trig value.Solve equation, use table to determine trig value.

10. 2/10/2016Basic Trig Inverse Trig Functions To Find The measure of an Angle: Determine which trig ratio will relate the two given sides and the desired angleDetermine which trig ratio will relate the two given sides and the desired angle Write an equationWrite an equation Use the table to find the degree measure that corresponds to ratio valueUse the table to find the degree measure that corresponds to ratio value

11. 2/10/2016Basic TrigClasswork 7-4 Study Guide and Intervention (Side 2) 1)15/172) 8/151) 17.012) 48.59 3) 8/174) 15/17 3) 22.624) 75.96 5) 4/56) 3/4 7) 4/58) 3/55) 24.896) 34.22