Tan (3π/2) = A) -1 B) 0 C) 1 D) undefined
1 answer:
Answer:
D) undefined
Step-by-step explanation:
The tangent function is undefined for odd multiples of pi/2.
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<em>Additional comment</em>
The terminal point on the unit circle of the ray at angle 3π/2 is (0, -1). The tangent is the ratio of the y-coordinate to the x-coordinate: y/x = -1/0. It is undefined at that point.
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Answer:
y = x + 4
Step-by-step explanation:
Assuming you require the equation of the line.
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Calculate m using the slope formula
m =
with (x₁, y₁ ) = (8, 8) and (x₂, y₂ ) = (10, 9)
m = =
, then
y = x + c ← is the partial equation
To find c substitute either of the 2 points into the partial equation
Using (8, 8) , then
8 = 4 + c ⇒ c = 8 - 4 = 4
y = x + 4 ← equation of line