Use a Compass to Sketch a Quarter of a Circle $a = 10 ^ { \circ }$

question 32

Multiple Choice

Use a compass to sketch a quarter of a circle of radius 10 centimeters.Using a protractor, construct an angle of $a = 10 ^ { \circ }$ in standard position (see figure) .Drop a perpendicular line from the point of intersection of the terminal side of the angle and the arc of the circle.By actual measurement,calculate the coordinates $( x , y )$ of the point of intersection and use these measurements to approximate the six trigonometric functions of a $\text { "a" }$ angle.(Round your answer to two decimal places. ) ? ?

• A)sin10° ? 0.98,cos10° ? 0.17,tan10° ? 5.76, csc10° ? 0.18,sec10° ? 1.02,cot10° ? 5.67
• B)sin10° ? 5.67,cos10° ? 1.02,tan10° ? 5.76, csc10° ? 0.18,sec10° ? 0.98,cot10° ? 5.67 ?
• C)sin10° ? 0.17,cos10° ? 0.98,tan10° ? 0.18, csc10° ? 5.76,sec10° ? 1.02,cot10° ? 5.67 ?
• D)sin10° ? 0.18,cos10° ? 0.98,tan10° ? 0.17, csc10° ? 10,sec10° ? 0.98,cot10° ? 5.76 ?
• E)sin10° ? 0.17,cos10° ? 0.98,tan10° ? 0.18, csc10° ? 5.76,sec10° ? 5.67,cot10° ? 1.02

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