Question 30793
Yo gonna kick yo'sel
To simplify things,let u = t²+1
we can then write out your eqn as,
2t(sinu + cosu)² - 4t.sinu.cosu = 2
2t(sin²u + 2sinu.cosu + cos²u) - 2t.sin2u = 2
2t(1 + sin2u) - 2t.sin2u = 2
2t + 2t.sin2u - 2t.sin2u = 2
2t = 2
t = 1
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