Problemas

Apoint on the terminal side of angle Theta is given. Find the exact value of each of the six trigonometric functions of 0 (-8,-5) sinTheta =square (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression. Rationalize all denominators.)
Solución
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Julioveterano · Tutor durante 11 años
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To find the exact value of the six trigonometric functions of angle $\Theta$, we need to first determine the coordinates of the point on the terminal side of the angle.<br /><br />Given point: $(-8,-5)$<br /><br />Step 1: Find the distance from the origin to the point using the Pythagorean theorem.<br />Distance = $\sqrt{(-8)^2 + (-5)^2} = \sqrt{64 + 25} = \sqrt{89}$<br /><br />Step 2: Determine the values of the trigonometric functions.<br />$sin\Theta = \frac{y}{r} = \frac{-5}{\sqrt{89}} = -\frac{5}{\sqrt{89}}$<br /><br />Therefore, the exact value of $sin\Theta$ is $-\frac{5}{\sqrt{89}}$.
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