8-3 TRIGONOMETRY DAY 2. RECALL: Trigonometric Ratios (don’t need to write) SOH – CAH – TOA

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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!! Use the 2nd key to get to sin-1

Watch me first! ROUND TO THE WHOLE DEGREE

43x

16x

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

37 41

Homework

Sine, Cosine, Tangent Ratios – Worksheet #2

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