Graph the unit circle using parametric equations with your calculator set to radian mode. Use a scale of 
. Trace the circle to find the sine and cosine of 
to the nearest ten-thousandth.
?
__________
?
__________
What will be an ideal response?
0.5000; -0.8660
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Solve the problem.A bullet is fired with a muzzle velocity of 1393 ft/sec from a gun aimed at an angle of 8° above the horizontal. Find the horizontal component of the velocity.
A. 193.9 ft/sec B. 1379 ft/sec C. 195.8 ft/sec D. -202.7 ft/sec
Solve the problem.A pendulum swings though an angle of 40° each second. If the pendulum is 45 inches long, how far does its tip move each second? If necessary, round the answer to two decimal places.
A. 32.71 in. B. 29.57 in. C. 33.85 in. D. 31.42 in.
Simplify.
A. 13 B. 3x13 - 7x12y4 + 5x11y6 C. 3x3 - 21x7y3 + 15x6y5 D. 3x3 - 7x2y2 + 5xy4
Identify the vertex of the given parabola.f(x) = (x + 5)2 - 3
A. (-5, 3) B. (5, -3) C. (5, 3) D. (-5, -3)