7. Given cos 20 = --and 180° <0 < 270°, find values of sino and cose.

Question

Question

Answer 1

Answer #1

solution: solutions Eiven that, Cos (201 e - 5 Then sind + - Cozzo I sino e 18t5 36 nowil Cos o os or Cosao ti oso = 40+ per

Answer 2

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