Use the fundamental identities to find the value of the trigonometric function.Find sin ? if cos ? = 
and ? is in quadrant IV.
A. - 
B. - 
C. 
D. 
Answer: A
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Use the maximum/minimum finder on a graphing calculator to determine the approximate location of all local extrema.f(x) = x4 - 4x3- 53x2 - 86x - 80
A. Approximate local maximum at 1.032; approximate local minima at -3.255 and 7.098 B. Approximate local maximum at 1.027; approximate local minima at -3.126 and 7.188 C. Approximate local maximum at -0.944; approximate local minima at -3.192 and 7.136 D. Approximate local maximum at 1.029; approximate local minima at -3.282 and 7.138
Simplify the expression by using a sum or difference identity.cos 
cos 
+ sin 
sin 
A. 
B. 
C. - 1
D. 
Solve the problem.Find the equation of a circle in standard form with center at the point (-3, 2) and tangent to the line y = 4.
A. (x + 3)2 + (y - 2)2 = 16 B. (x - 3)2 + (y + 2)2 = 16 C. (x + 3)2 + (y - 2)2 = 4 D. (x - 3)2 + (y + 2)2 = 4
Solve.During an intramural basketball game, Team A scored 13 fewer points than Team B. Together, both teams scored a total of 145 points. How many points did Team A score during the game?
A. 72 points B. 66 points C. 67 points D. 79 points