(sin Θ − cos Θ)^2 + (sin Θ + cos Θ)^2
I've worked this out multiple times, and my answer isn't a possible choice...

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Answer choices:
A) 1
B) 2
C) sin^2 theta
D) cos^2 theta

show ur work please :-)

remember these two formulas \[\huge\rm (a+b)^2 = a^2 +2ab+b^2\]
\[\huge\rm (a-b)^2 = a^2 -2ab+b^2\]

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