Verify the identity. (sin(t) + cos(t))2 - 2 + sec(t) csc(t) sin(t) cos(t) (sin(t) + cos(t))2 sin2(t) + 2 sin(t) cos(t) + sin(t) cos(t) sin(t) cos(t) sin (t) + cos?(t) sin(t) cos(t) sin(t) cos(t) 1 sin(t) cos(t) - 2 + sec(t) csc(t)

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