Question

please answer this question ​

Answer 1

Answer:  $sin(a)=\frac{7}{25}$

Step-by-step explanation:

Using pythagoras theorem :

${(AB)}^{2} + {(BC)}^{2} = {(AC)}^{2} \\ AC = \sqrt{ {24}^{2} + {7}^{2} } \\ AC = \sqrt{576 + 49} \\ AC = \sqrt{625} \\ AC = 25$

$sin(a) = \frac{BC}{AC} \\\\ sin(a) = \frac{7}{25}$

Answer 2

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