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Trig - Unknown Side - Numerator SACHS
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1
Which side is not involved in the question?
Opposite
Adjacent
Hypotenuse
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1
So we are using the opposite side
and the hypotenuse, which trig ratio
uses those 2 sides?
Sin
Cos
Tan
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1
Complete the working out:
sin
Given sin θ =
o
=
O
H
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1
Get y by itself by multiplying 12
to the other side
Given
× sin 50 = y
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1
Given
12 × sin 50 = y
Complete on your calculator and
choose the correct answer.
y = 8.5
y = 9.2
y = 9.9
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2
Which side is not involved in the question?
Opposite
Adjacent
Hypotenuse
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2
So we are using the opposite sideand the adjacent side, which trig ratiouses those 2 sides?
Sin
Cos
Tan
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2
Complete the working out:
tan
Given
o
=
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2
Get v by itself by multiplying 25to the other side
Given
× tan 62 = v
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2
Given
25 × tan 62 = v
Complete on your calculator and
choose the correct answer.
v = 47.0
v = 47.1
v = 47.2
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