Question

Asked Oct 25, 2019

Find the exact values of x and y of the following:

-400 degrees

-150 degrees

250 degrees

do not enter cos or sin, use exact values

Step 1

**The period of a function is defined as the interval where the function repeats itself.**

Step 2

**The period of sin and cos is 360****°.**

**So get the values of sin (-400****°****) and cos (-400****°****).**

Step 3

**The expansion formula is to b...**

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