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Trigonometric functions
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Evaluate the expression without using a calculator. arcsin 1/2.
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Trigonometric functions
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Without using a calculator, compute the sine and cosine of 330 by using the reference angle. Give the sine and cosine as reduced fractions or with radicals. Do not use decimals. a. What is the reference angle? b. In what \quadrant is this angle? sin(33
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Math
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A 12-foot ramp is used to unload furniture from a truck. If the back of the truck sits 4 feet above the ground, find the measure of the angle the ramp makes with the ground. A. {19.5^{circ}} B {70.5^{circ}} C. {18.40^{circ}}
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