There are values of t so that the equation cos t = 5/4 holds. A. True B. False

asked May 8, 2017 77.9k views

1 vote

There are values of t so that the equation cos t = 5/4 holds.

A. True
B. False

by Rakha

7.5k points

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4 votes

B. False

cosine function is bounded from -1 to +1 and 5/4 > 1, the none value of t satisties that equation..

Xinrui Ma answered May 11, 2017

7.3k points

3 votes

The range of cos t is -1 ≤ cos t ≤ 1.
Therefore, there is no value of t so that the equation cos t = 5/4 holds.
i.e. False.

Oded Niv answered May 14, 2017

7.7k points

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