. Find the value of cos120º
Best Answer
Explanation:-
The value of cos120º
cos(90+30)
cos(90-0)=-sin0
-sin30º
=-1/2
Final answer:-
The value of cos120º is -1/2.
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Explanation:-
The value of cos120º
cos(90+30)
cos(90-0)=-sin0
-sin30º
=-1/2
Final answer:-
The value of cos120º is -1/2.