Q:

What does tangent equal?

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Quick Answer

To find out what a tangent equals, use the equation for a tangent, which is tan(degrees) = opposite / adjacent. This equation will determine what the tangent of an angle equals by using the triangle's opposite angle and adjacent angle from the initial angle used at the beginning of the equation in the tan(degrees) aspect.

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Full Answer

The tangent is one of three primary functions in trigonometry. The other two primary functions are the cosine and the sine. The sine function has an equation of sin(degrees) = opposite / hypotenuse. The cosine function has an equation of cos(degrees) = adjacent / hypotenuse. There is also a useful equation that says the tan(degrees) = sin(degrees) / cos(degrees).

The Pythagorean Theorem is also used in trigonometry and is often used with the three trigonometric functions. The Pythagorean Theorem can be written as a^2 + b^2 = c^2 and is only applicable in a right triangle. Other triangles cannot use the theorem. Opposite angle identities are also crucial when it comes to solving trigonometric problems. The opposite angle identities include the sine, cosine and tangent. The equation for sin is sin(-degrees) = -sin(degrees). The equation for cosine is cos(-degrees) - cos(degrees). The equation for tan is tan(-degrees) = -tan(degrees).

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