7.2 Finding a Missing Side of a Triangle using Trigonometry

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Presentation transcript:

7.2 Finding a Missing Side of a Triangle using Trigonometry

STEP 1: Which angle is given? Angle B = 48º STEP 2: Which two sides are given? Adjacent and Hypotenuse STEP 3: Which Trig Ratio should you use? Cosine

STEP 1: Which angle is given? Angle B = 48º STEP 2: Which two sides are given? Adjacent and Hypotenuse STEP 3: Which Trig Ratio should you use? Cosine

STEP 1: Which angle is given? Angle B = 48º STEP 2: Which two sides are given? Adjacent and Hypotenuse STEP 3: Which Trig Ratio should you use? Cosine

STEP 1: Which angle is given? Angle B = 48º STEP 2: Which two sides are given? Adjacent and Hypotenuse STEP 3: Which Trig Ratio should you use? Cosine

STEP 1: Which angle is given? Angle B = 55º STEP 2: Which two sides are given? Adjacent and Opposite STEP 3: Which Trig Ratio should you use? Tangent

STEP 1: Which angle is given? Angle B = 55º STEP 2: Which two sides are given? Adjacent and Opposite STEP 3: Which Trig Ratio should you use? Tangent

STEP 1: Which angle is given? Angle B = 55º STEP 2: Which two sides are given? Adjacent and Opposite STEP 3: Which Trig Ratio should you use? Tangent