A number c divided by 9 is less than or equal to -23 .
1 answer:
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To begin, we can simplify the expression's denominator by finding a common denominator between the denominators of the fractions in the denominator. To make them compatible, we can convert
Next, we can simplify:
Finally, to cancel the denominator within the denominator, we can multiply the whole expression by
The expression simplifies to
so... notice the picture below, the angle in the fourth quadrant
now... notice, the cosine is just the distance the angle makes with the x-axis
so... using the pythagorean theorem, get the opposite side, from that triangle, keeping in mind that, "y" is negative in the 4th quadrant
once you get "y", get any other trigonometry value you need :)
