What is a word problem for 15-28?
1 answer:
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Answer:
Option 1 - cos 240°
Step-by-step explanation:
Given : Expression
To find : Which expression is equivalent to given expression ?
Solution :
The given expression is equivalent to those whose value is same as
Value of
value of cos in second quadrant is negative.
Option 1 :
Equivalent
Option 2 :
Not equivalent
Option 3 :
Not equivalent
Therefore, Correct option is 1.