Simplify the expression.4 sin ? cos3 ? - 4 sin3 ? cos ?
A. sin 2? cos 2?
B. 4 sin ? cos ?
C. sin 4?
D. 4 sin ? cos ? cos 2?
Answer: C
Mathematics
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Determine the letters or numbers.Write the binary code for the letter C.
A. 1100001 B. 1110011 C. 1000111 D. 1000011
Mathematics
Solve the problem.Estimate the area of the surface generated by revolving the curve y = cos 2x, 0 ? x ? ?/4 about the x-axis.Use the Trapezoidal Rule with n = 6.
A. 4.606 B. 5.108 C. 7.091 D. 4.652
Mathematics
Find an algebraic expression for the given expression.cos(2 sin-1 x)
A. 1 - x2 B. 2x2 + 1 C. 1 D. 1 - 2x2
Mathematics
Solve using the percentage formula.35% of what number is 84?
A. 42 B. 0.42 C. 240 D. 2,400
Mathematics