Answer and Step-by-step explanation:
To convert degrees into radians, we multiply by [tex]\frac{\pi }{180}[/tex].
13.
40° × [tex]\frac{\pi }{180}[/tex] = [tex]\frac{2\pi }{9}[/tex]
14.
80° × [tex]\frac{\pi }{180}[/tex] = [tex]\frac{4\pi }{9}[/tex]
15.
100° × [tex]\frac{\pi }{180}[/tex] = [tex]\frac{5\pi }{9}[/tex]
16.
12° × [tex]\frac{\pi }{180}[/tex] = [tex]\frac{\pi }{15}[/tex]
These are the answers.
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