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Published byBartholomew Weaver Modified over 9 years ago
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1.If θ is the angle between the base and slope of a skate ramp, then the slope of the skate ramp becomes the hypotenuse of a right triangle. What is the length of the slope of the skate ramp if the sinθ=8/17 and the cosθ=15/17 if the sum of the horizontal base and the height of the ramp is 100ft?
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2.Find the positive measure of θ (rounded to the nearest degree) if the sinθ=-0.7234, and the terminal side of θ lies in quadrant III. 3.Find the positive measure of θ (rounded to the nearest degree) if the sinθ=.0274, and the terminal side of θ lies in quadrant II.
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4.Find the positive measure of θ (rounded to the nearest degree) if the cosθ=0.2134, and the terminal side of θ lies in quadrant IV. 5.Find the positive measure of θ (rounded to the nearest degree) if the cosθ=-0.8674, and the terminal side of θ lies in quadrant III.
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6.Convert 6.72 radians to degrees 7.Find sinθ and cosθ if tanθ=-60/11 and the terminal side of θ lies in quadrant IV. 8.Find the reference angle in radians and degrees for 11π/18
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ANSWERS 1.73.9ft 2.≈226 ◦ 3.≈178 ◦ 4.≈282 ◦ 5.≈210 ◦ 6.≈385 ◦ 7.sinθ=-60/61 cosθ=11/61 8.7π/18 & 70 ◦
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