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DOES ANYONE KNOW HOW TO SOLVE THIS? EXPLANATION IS MUCH NEEDED!!!

DOES ANYONE KNOW HOW TO SOLVE THIS? EXPLANATION IS MUCH NEEDED!!!-example-1
User Kith
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1 Answer

7 votes
Cos^3 theta is (cos theta)^3. Recommended looking at 0,90,180,270,360. In degrees
See unit circle for proof or calculator.
These give
1^3=1
0^3=0
(-1)^3=-1
0^3=0
360 is exact same as 0
See answer above for order
Mark as the best!
User Keith Grout
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