Find a general term an for the geometric sequence.a1 = 4, r = 4
A. an= 4 + 12(n - 1)
B. an = 4(4)n-1
C. an =4( 4)(n-1)
D. an = 4n-1 + 3
Answer: B
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Write in terms of the cofunction of a complementary angle.tan 8°
A. cot 172° B. cot 98° C. cot 82° D. tan 82°
Solve the problem.An aircraft going from Atlanta to Savannah on a heading of 103° (from north) is travelling at a speed of 630 miles per hour. The wind is out of the north at a speed of 25 miles per hour. Find the actual speed and direction of the aircraft.
A. 636 miles per hour; 105° from north B. 628 miles per hour; 105° from north C. 625 miles per hour; 105° from north D. 887 miles per hour; 105° from north
Graph the parabola.x2 + 3y = 0
A. 
B. 
C. 
D. 
Use the product-to-sum formulas to rewrite the expression as the sum or difference of two functions.cos 3? cos 2?
A. 
cos 5? - 
cos ?
B. cos2 6?2
C. 
cos ? + 
cos 5?
D. 
cos 5? - 
sin ?