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Geometry Section 7.5

Geometry Section 7.5. Apply the Tangent Ratio. Trigonometric ratio. A Trigonometric ratio is a ratio of the lengths of two sides in a right triangle. You use trigonometric ratios to find the measure of a side or an acute angle in a right triangle. Tangent Ratio.

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Geometry Section 7.5

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  1. Geometry Section 7.5 Apply the Tangent Ratio

  2. Trigonometric ratio • A Trigonometric ratio is a ratio of the lengths of two sides in a right triangle. • You use trigonometric ratios to find the measure of a side or an acute angle in a right triangle

  3. Tangent Ratio • The tangent of angle A (tan A) is defined as follows:

  4. Examples • Find tan J and tan K. Round to four decimal places. J J 40 32 17 15 K L 24 L K 8

  5. Finding leg lengths • Find the value of x. 13 x 56 22 61 x

  6. Use a special triangle to find tangent

  7. Assignment • Section 7.5 • Page 469 • Problems # 4-10 even, 18-28 even, 32

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