zaykid65 zaykid65

12-11-2019
Mathematics

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NI
The cosine of 50 degrees is 0.64. What is the sine of 40 degrees?

Respuesta :

devishri1977 devishri1977

12-11-2019

Answer:

Step-by-step explanation:

sin (90° - ∅) = Cosine ∅

40 = 90 - 50

sin (40°) = sin (90° - 50°) = Cosine 50° = 0.64

sin (40°) = 0.64

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