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Question
Find the length of x and y in the following figure.
Sum
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Solution
Given:
Right triangle with one angle 45°.
Opposite side to 45° is 3.
Finding x, y
Step 1: Use tan 45°
tan(45°) = `3/x`
= 1 = `3/x`
x = 3
Step 2: Use sin 45°
sin(45°) = `3/y`
= `1/sqrt2 = 3/y`
= y = `3sqrt2`
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