Provide an appropriate response.What form do planes perpendicular to the z-axis have in spherical coordinates?
A. ? = a cos ?
B. ? = a sec ?
C. ? = a csc ?
D. ? = a sin ?
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Find a solution for the equation. Assume that all angles are acute angles.tan(3? + 16°) = cot(? + 4°)
A. 16.5° B. 19° C. 17.5° D. 17°
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Mathematics