Use a compass to sketch a quarter of a circle of radius 10 centimeters. Using a protractor,
construct an angle of 
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 
of the point of intersection and use these measurements to approximate the six trigonometric functions of 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
Answer: C
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Find the real solutions, if any, of the equation. Use the quadratic formula.x2 - 4x - 7 = 0
A. {2 + 
, 2 - 
}
B. {2 + 
, 2 - 
}
C. {-2 + 
, -2 - 
}
D. {4 + 
, 4 - 
}
Add or subtract as indicated. Express the answer as a single polynomial in standard form.(-13x4 + 16x3) - (10x4 + 13x3)
A. -20x7 B. -23x4 + 3x3 C. -3x4 + 29x3 D. -23x4 + 29x3
Find all square roots of the given number.64
A. -8
B. 8
C. 8
D. ±8
Evaluate the indefinite integral.