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Popular >

1-2sin^2(pi/9)

Solution

1 - 2 sin^{2} (\frac{π}{9})

Solution

0.76604 \dots

Solution steps

1 - 2 sin^{2} (\frac{π}{9})

Refine to a decimal form

= 0.76604 \dots

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Frequently Asked Questions (FAQ)

What is the value of 1-2sin^2(pi/9) ?
The value of 1-2sin^2(pi/9) is 0.76604…