Establish the identity.sec 4 x - tan 4 x = sec 2 x + tan 2 x

What will be an ideal response?


sec 4 x - tan 4 x = (sec 2 x + tan 2 x)(sec 2 x - tan 2 x) = (sec 2 x + tan 2 x)(1) = sec 2 x + tan 2 x.

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Decide whether the statement makes sense. Explain your reasoning.I am young and I'm going to invest my money for at least 6 years. I am going to put all my money into stocks. The return is higher than for other investments and over such a time period, there is no risk of losing any of the principal. Historically there has never been a 6-year period in which the Dow ended lower than it started.

What will be an ideal response?

Complete the identity.csc2  = ?

A.
B.
C.
D.

Establish the identity.tan 2 u (1 + cos 2u) = 1 - cos 2u

What will be an ideal response?

Advertising fees that franchisees have to pay the franchisor are typically less than ________ percent of gross income.

A. 1 B. 3 C. 4 D. 2 E. 5