3 years ago

The expression (secx + tanx)2 is the same as _____.

2 answers:

Pie3 years ago

3 0

(secx + tanx)^2
secxsecx + secxtanx + secxtanx + tanxtanx
secxsecx + 2secxtanx + tanxtanx
tanxtanx + 1 + 2secxtanx + tanxtanx
2tanxtanx + 1 + 2secxtanx 

The expression (secx + tanx)2 is the same as 1 + 2tan2x + 2secx tanx. The answer is letter D.

Vlad1618 [11]3 years ago

3 0

Hello there.

The expression (secx + tanx)2 is the same as _____.

D.1 + 2tan2x + 2secx tanx

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