Establish the identity.cos2x - sin2x = 1 - 2 sin2x
What will be an ideal response?
cos2x - sin2x = cos2x + (sin2x - sin2x) - sin2x = (cos2x + sin2x) - sin2x - sin2x = 1 - 2 sin2x.
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Using the future value tables to answer the following questions. ? Required: 1) What is the value on January 1, 2023, of $75,000 deposited on January 1, 2016, which accumulates interest at 14% annually? ? 2) What is the value on January 1, 2021, of $15,000 deposited on July 1, 2016, which accumulates interest at 16% compounded quarterly? ? 3) What is the compound interest on an investment of $10,000 left on deposit for 7 years at 8% compounded annually?
What will be an ideal response?
Solve the problem.You want to have a 
college fund in 6 years. How much will you have to deposit now in an account with an APR of 5% and annual compounding?
A. $28,949.30 B. $31,930.99 C. $29,848.62 D. $24,949.06
Solve using the multiplication principle.2.7x = 21.6
A. 
B. 18.9
C. 13.6
D. 8
What type of research is designed to provide practical solutions to immediate problems?
A. hypothetical B. applied C. experimental D. theoretical