Solve 1/2 (- 4 + 6n) = (1+9). Check your solution .
1 answer:
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Answer:
1
Step-by-step explanation:
Since tan(x) = sin(x)/cos(x), if sin(x) = cos(x) then tan(x) must be 1.
You can even reason that the acute angle is 45° and sin(x)=cos(x) = .