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3 Cards in this Set

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  • Back

Sqrt(a² + x²)

a² - a²sin²x = a²cos²x


x = asin(theta)

Sqrt(x² + a²)

a² + a²tan²(theta) = sec²(theta)


x = atan(theta)

Sqrt(x² - a²)

a²sec²(theta) - a² = a²tan²(theta)


a = sec(theta)