Use the given function value and the Fundamental identities, to find the indicated trigonometric function value. sec ? = 6
Find cos ?.
A. - 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the interval of convergence of the series.
A. 1 ? x ? 13 B. x < 13 C. 6 ? x ? 8 D. -13 < x < 13
Mathematics
Answer the question as instructed.Which of the following is the correct way to evaluate the expression 6 + 6 ? 4?
A. 6 + 6 ? 4 = 6 + 24 = 30 B. 6 + 6 ? 4 = 24 + 24 = 48 C. 6 + 6 ? 4 = 24 + 6 = 30 D. 6 + 6 ? 4 = 12 ? 4 = 48
Mathematics
Write the complex number in trigonometric form. Round the angle to the nearest hundredth of a degree.
?
What will be an ideal response?
Mathematics
Write the equation for the sentence. Let x be the unknown number. Three times a number is 2.3.
A) 3 + x = 2.3
B) 3 - x = 2.3
C) 3x = 2.3
D) x - 3 = 2.3
E) 
Mathematics