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Popular >

simplify 1-2sin^2(θ)

Solution

simplify

1 - 2 sin^{2} (θ)

Solution

cos (2 θ)

Solution steps

1 - 2 sin^{2} (θ)

Use the Double Angle identity:

1 - 2 sin^{2} (x) = cos (2 x)

= cos (2 θ)

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simplify 2sqrt(5)+sqrt(45)+sqrt(180)+sqrt(80)simplify

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Frequently Asked Questions (FAQ)

What is 1-2sin^2(θ) ?
The solution to 1-2sin^2(θ) is cos(2θ)