Question

converta de graus para radianos; 30°,150°;640°.

Answer 1

$30^{o} = \frac{30 \pi }{180}= \frac{ \pi }{6} rad \\ \\ 150^{o} = \frac{150 \pi }{180} = \frac{5 \pi }{6}rad \\ \\ 640^{o} = \frac{640 \pi }{180} = \frac{32 \pi }{9}$