8-3 Trigonometry Day 2.

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Presentation transcript:

8-3 Trigonometry Day 2

RECALL: Trigonometric Ratios (don’t need to write) SOH – CAH – TOA

Solving with a calculator: Find the value of x to the nearest tenth.

Solving (x in numerator - MULTIPLY) Round to the tenth  

Solving (x in denominator - DIVIDE)  

TWAP  Find the value of the missing variable to the nearest tenth.

Solving for x as angle- INVERSE Solving for x as angle- INVERSE!! Use the 2nd key to get to sin-1 Watch me first! ROUND TO THE WHOLE DEGREE  

TOO What is the measure of angle X to the nearest degree?

Homework Sine, Cosine, Tangent Ratios – Worksheet #2