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Popular Functions >

range of cos(2t)

Solution

range

cos (2 t)

Solution

- 1 \leq f (t) \leq 1

+1

Interval Notation

[- 1, 1]

Solution steps

The range of the basic

cos

function is

- 1 \leq cos (2 t) \leq 1

- 1 \leq cos (2 t) \leq 1

Therefore the range is

- 1 \leq f (t) \leq 1

Graph

Popular Examples

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in v erse f (x) = \frac{1}{3} x + 1

Frequently Asked Questions (FAQ)

What is the range of cos(2t) ?
The range of cos(2t) is -1<= f(t)<= 1