From 3a-2b subtract 2a+3b
1 answer:
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Answer:
y = 9.84 mm
Step-by-step explanation:
<h2>Sine rule:</h2>Law of sine:
a = y
A = 31°
b = 17 mm
B = 117°
A matrix is diagonal if
In other words, you want non-zero elements only when the indices of the row and the column are the same: the first element of the first row must be non zero, the second element of the second row must be non-zero, and so on. All other elements must be zero.
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