Please answer correctly nobody ever answers my questions im upset :C
2 answers:
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Hi!
<h3>The equation of point slope form is</h3><u>y = sx + b</u>
We need to find s and b
s = slope
b = y intercept
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<h3>To find the slope, use this formula. </h3>Put in the values.
The slope is 2.
<u>y = 2x + b</u>
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<h3>Now we need to find the y intercept. Put in a point, and solve for b. </h3>-8 = 2 * -6 + b
-8 = -12 + b
4 = b
The y intercept is 4.
<u>y = 2x + 4</u>
<h2>The answer y = 2x + 4</h2>Hope this helps! :)
-Peredhel
Solution:
As we know reference angle is smallest angle between terminal side and X axis.
As cosine 45 ° is always positive in first and fourth quadrant.
i.e CosФ, Cos (-Ф) or Cos(2π - Ф) have same value.
As, Cos 45°, Cos (-45°) or Cos ( 360° - 45°)= Cos 315°are same.
So, Angles that share the same Cosine value as Cos 45° have same terminal sides will be in Quadrant IV having value Either Cos (-45°) or Cos (315°).
Also, Cos 45° = Sin 45° or Sin 135° i.e terminal side in first Quadrant or second Quadrant.
