Verify the identity. 1 – cos 4x = 2sin²(2x)
What will be an ideal response?
1 – cos 4x
= 1 – cos (2•2x)
= 1 – [1 – 2sin²(2x)]
= 1 – 1 + 2sin²(2x)
= 2sin²(2x)
Mathematics
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In the sequence below each number (other than the first two numbers) is the sum of the previous two numbers. Use this rule to find the missing terms of the sequence.2, 4, 6, 10, 16,
A. 18 B. 20 C. 22 D. 26
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Use substitution to find the Taylor series at x = 0 of the given function.e-4x
A.
B.
C.
D.
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Solve the problem.A customer purchased 3 bottles of nail polish for $2.90 each. How much does a salesperson earn on this sale if the rate of commission is 41%? Round your answer to the nearest cent.
A. $3.57 B. $8.70 C. $1.19 D. $35.67
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Graph the equation.x = 5
A.
B.
C.
D.
Mathematics