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The expression (secx + tanx)2 is the same as _____. A.1 + 2cscx B.sec2x + 2cscx + tan2x C.sec2x + tan2x D.1 + 2tan2x + 2secx tanx
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The expression (secx + tanx)2 is the same as _____.

A.1 + 2cscx
B.sec2x + 2cscx + tan2x
C.sec2x + tan2x
D.1 + 2tan2x + 2secx tanx

User Sugarcrum
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2 Answers

4 votes
Hello there.

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

D.1 + 2tan2x + 2secx tanx
User Dustin Silk
by
7.8k points
2 votes
(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.
User Despotbg
by
7.7k points
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