'Cosine ratio' presentation slideshows

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Chapter 8

Chapter 8. Right Triangles and Trigonometry. Solve for the missing side length in simplest radical form:. Pythagorean Theorem:. Pythagorean Theorem Converse :. Pythagorean Triples: 3 positive integers a, b, c such that . 5, 12, 13. 3, 4, 5. 8, 15, 17. 7, 24, 25.

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Bellwork

Clickers. Bellwork. Solve for x. Bellwork Solution. Solve for x. Bellwork Solution. Solve for x. Bellwork Solution. Solve for x. Apply the Sine & Cosine Ratio. Section 7.6a. The Concept. Yesterday the concept of the tangent ratio was introduced

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SIDE LENGTHS and the ANGLES between them finally connected

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TF.02.2 - Trigonometric Ratios of Special Angles

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7.4 Trigonometry

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8-4 Trigonometry, day 2

8-4 Trigonometry, day 2. You used the Pythagorean Theorem to find missing lengths in right triangles. . Find trigonometric ratios using right triangles. Use trigonometric ratios to find angle measures in right triangles.

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The Trigonometric ratios:

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EXAMPLE 2

adj. to W. adj. to U. =. =. hyp. hyp. UV. 18. WV. 24. =. =. =. =. 3. 30. UW. UW. 30. =. 5. 4. =. 5. EXAMPLE 2. Find cosine ratios. Find cos U and cos W . Write each answer as a fraction and as a decimal. SOLUTION. cos U. = 0.6000. cos W. = 0.8000.

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