If sin 0. cos 0 = 4, then (sin 0 + cos 0)2 =
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Step-by-step explanation:
SinØ.CosØ = 4
(SinØ+CosØ)² = Sin²Ø+Cos²Ø+2SinØ.CosØ
= 1 + 2(4) (Sin²Ø+Cos²Ø=1, SinØ.CosØ = 4)
= 9
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