Sin^2x + sin2x +2cox^2x = 2

Mathematics

1 answer:

Effectus [21]2 years ago

5 0

Answer:

Step-by-step explanation:

$sin^2 \ x + sin ^2 \ x + 2cos^ 2\ x = 2\\\\2sin^2 \ x + 2 cos^2 \ x = 2\\\\2 ( sin^2 \ x + cos^2 \ x ) = 2 \\\\2 \times 1 = 2 \\\\2 = 2 \\\\LHS = RHS \\\\Hence \ proved.$

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