two angles are vertical. one angles measures 10x - 6, and the other angles measured 8x + 12. find the measure of each angle .
1 answer:
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Hello here is a solution :
The value of the expression is 4 and the exact value of
is
The point on the unit circle is given as:
A point on a unit circle is represented as: (x,y), such that:
cos(t) = x and sin(t) = y.
This means that:
Calculate tan(t) using:
So, we have:
Evaluate
The expression is then calculated as:
Evaluate each term
Evaluate the sum
Hence, the value of the expression is 4
The expression is given as:
As a general rule, the arc sine of sine x is x.
This means that:
Hence, the exact value of is
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