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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Despotbg · Answer 1 · 2017-07-12T22:14:19+0000

(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.

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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