Give that cos 42* = 0.743, what is the sine of the complementary angle?
1 answer:
The complement of 42 is 90-42 or 48. sin of 48 is 0.743144
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Answer:
6cm
Step-by-step explanation:
14
I believe you are right with all of them.
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Multiply sides by 2




Subtract sides 2


Done...
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2(n+7) =3n
n = 14
<span>n = 14</span>