what is csc ( pie/2 ) =

Step-by-step explanation:

Cos(pie/2)

Pie is π

This shows that the π is in radian

2πrad= 1 complete revolution

2πrad= 360°

Divide both side by 2

πrad=180°

So let substitute πrad=180° into the cosine

Cos(π/2)=Cos(180/2)

Cos90

Cos 90 is zero

Cos(pie/2)=0

x=6 and x=3

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for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c