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Summative Assessment

Author:orobinson

Trigonometric Relationships

Trigonometric Relationships

1) What is the reference angle for an angle of 210 degrees?

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2) What is the exact value of cos 135 degrees?

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3) Find the x value: If sin(x) = -1/2, find x in the range 0° to 360°?

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4) For what value of x is tan (x) undefined in the range 0° to 360°?

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5) Evaluate without using a calculator by using ratios in a reference triangle: Find sec 120 degrees

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6) Evaluate without using a calculator by using ratios in a reference triangle: Find cot 315 degrees

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7) Use an algebraic method to find the rectangular coordinates of the point with given polar coordinates (2, 60 degrees)

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8) Use an algebraic method to find the polar coordinates of the point with given rectangular coordinates (-2,0)

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9) In a 45-45-90 special right triangle, one of the legs is 8. What is the value of the hypotenuse?

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10) In a 30-60-90 special right triangle, the hypotenuse has a value of 10. Find the values of the other 2 sides.

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