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cosine angle a!!!!!!!

+1 vote
In a right triangle, the side adjacent angle a is 12, the hypotenuse is 24. what is the tangent of the angle a?
asked Feb 16, 2013 in TRIGONOMETRY by angel12 Scholar

1 Answer

+2 votes

12 is the adjacent side (it is adjacent to angle a), 24 the hypotenuse, and a is the given angle

Cos(a): adjacent leg/ hypotenuse = 12/24 = 1/2

Trigonometry table in cos60° = 1/2

So, cos(a) = cos60°

a = 60°

The tangent of the angle a is 60°.

answered Feb 16, 2013 by richardson Scholar
tan60 =root(3)

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