Trig: Use a half angle formula to find the exact value of the expression? cos(5pi/12)
1 answer:
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For this case we have that the point-slope equation of a line is given by:
Where:
m: It is the slope of the line
It is a point through which the line passes
In this case we have to:
Substituting in the equation we have:
Answer:
We just need to replace the value of the slope