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Popular >

simplify 1-2sin^2(a)

Solution

simplify

1 - 2 sin^{2} (a)

Solution

cos (2 a)

Solution steps

1 - 2 sin^{2} (a)

Use the Double Angle identity:

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

= cos (2 a)

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289 x^{8} - y^{8}

Frequently Asked Questions (FAQ)

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