Pre-Calculus Homework Solutions 204

# Pre-Calculus Homework Solutions 204 - 2 In AED In AGF In 6...

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2. 3. Sample answer: Regardless of the side lengths, the trigonometric ratio is the same when comparing angles in similar triangles. 4. m A is the same in all triangles. Pages 367–368 Check for Understanding 1. The triangles are similar, so the ratios remain the same. 2. Sample answer: m B 90, m C 55, b 26.2, c 21.4 3. All three ratios involve two sides of a right triangle. The sine ratio is the measure of the opposite side divided by the measure of the hypotenuse. The cosine ratio is the measure of the adjacent side divided by the measure of the hypotenuse. The tangent ratio is the measure of the opposite side divided by the measure of the adjacent side. 4. The tan is the ratio of the measure of the opposite side divided by the measure of the adjacent side for a given angle in a right triangle. The tan 1 is the measure of the angle with a certain tangent ratio. 5. sin A o h p y p p o o s t i e t n e u l s e e g a c 1 5 4 0 0.28 cos A a h d y j p a o c t e e n n t u l s e e g b c 4 5 8 0 0.96 tan A a op d p ja o c s e i n te t
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