Find the exact value of the expression.cos (-390°)
A. - 
B. 
C. - 
D. 
Answer: D
Mathematics
You might also like to view...
Four players (A, B, C, and D) agree to divide the 12 items below using the method of markers. The players' bids are as indicated.
Item 5
A. goes to A. B. goes to B. C. goes to C. D. goes to D. E. is left over.
Mathematics
Use the change of base formula to approximate the logarithm to four decimal places.log
59.3
A. 3.9266 B. 1.9633 C. 0.2547 D. 0.4515
Mathematics
Find the value(s) of the expression.the square roots of 0.121
A. -0.11, 0.11 B. -60.5, 60.5 C. 60.5 D. 0.11
Mathematics
Find the exact value of the trigonometric expression without the use of a calculator.sin 15° cos 45° + cos 15° sin 45°
A. 
B. 
C. 
D. 
Mathematics