Answer:
As a rule of thumb, if you know only the two shorter side, their ratio is the tangent of the angle opposed to the side you use as a numerator.
If you know one side and the hypotenuse, the ratio side/hypotenuse is either the sine of the opposite angle, or the cosine of the adjacent angle.
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Answer:

as a mixed number:
Divide 2 from 7 and find the remainder:
7 ÷ 2 = 3 R 1.
An improper fraction in mixed form has the quotient as the coefficient, and the remainder over the fraction. Therefore:

Answer:
The square root of a negative number is not a real number
=
−
9
8
8
Step-by-step explanation:
Answer:
The slope of the line through (−9,6) and (−6,−9) is −5
Step-by-step explanation:
Hope it helps