Question #29ff4

1 Answer
kumail
Jun 28, 2017

To find angles and side lengths in triangles.

Explanation:

The three functions can be used to find side lengths or angles in a given triangle, in a right angle triangle for example, the ratio of the length of the opposite side to the length of the hypotenuse is equal to the #sin# of the angle.

SOH CAH TOA

#sin(theta) =# opposite/hypotenuse
#cos(theta) =# adjacent/hypotenuse
#tan(theta) = sin(theta)/cos(theta) =# opposite/adjacent

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