Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.f(x) = cos4 x
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Find an equation for the tangent to the curve at P.
A. y = - 
x + 
- 1 - 
B. y = 
x + 1 + 
C. y = - 
x - 1 - 
D. y = 
x - 
+ 1 + 
Mathematics
The (r + 1)st term of the expression (a + b)n, 0 ? r ? n, is given by 
an - rbr. Find the specified term.The 5th term of (2x + 3y)10.
A. 362,880x4y6 B. 544,320x4y6 C. 1,088,640x6y4 D. 362,880x6y5
Mathematics
Find values for the variables so that the matrices are equal.
= 
A. x = 5; y = -6; z = 3 B. x = 5; y = -6; z = -2 C. x = -6; y = 5; z = 3 D. x = 5; y = -2; z = 3
Mathematics
Write the expression in the standard form a + bi.6i(6 - 9i)
A. 36i - 54i2 B. 54+ 36i C. 36i + 54i2 D. 36i- 54
Mathematics