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the three expressions, sin-1, cos-1, and tan-1 are called _____ trig functions and are used to find the measure of the acute angles of a right triangle if you know the lengths of at least two sides.

User Jkulak
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2 Answers

1 vote

Answer:

theyre called inverse funtions .

inverse of :

cos= cosectant

tan= cotangent

sin= secant

User Koekenbakker
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1 vote

Answer:

Inverse.

Explanation:

User McFarlane
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