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X - the number
The number is 5.
The number is 5.
Answer:
Step-by-step explanation:
We have the angle in standard post has a sine ratio of
This means the opposite side length of the corresponding right triangle is 9 units and the hypotenuse is 41 units.
Using Pythagoras Theorem, the adjacent side length can be found using:
This implies that:
The cosine ratio is adjacent over hypotenuse.
Since we are in the second quadrant, the cosine ratio is negative;