Luisa buys a plane ticket that has an original price of $\$240$ . She uses a coupon code to get a $30\%$ discount off of the ori
2 answers:
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Answer:
Step-by-step explanation:
Using the unit circle, the coordinates of 3π/4 is :
Note that tangent function can be solved using the formula y/x
where x and y are the coordinates of the angle.
This will be :
The answer is -1
