Answer:
The angle between them is 60 degrees
Step-by-step explanation:
Given
Required
The angle between them
The cosine of the angle between them is:
First, calculate a.b
Multiply the coefficients of like terms
Next, calculate |a| and |b|
Recall that:
This gives:
Take arccos of both sides
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Oy=x+3
Right angled triangle or Right Triangle
triangle that has a 90 angle is known as RIGHT ANGLED TRIANGLE or RIGHT TRIANGLE