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

asked Nov 3, 2020 16.3k views

2 votes

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

by Aumo

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5 votes

Answer:

Explanation:

sin (90° - ∅) = Cosine ∅

40 = 90 - 50

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

sin (40°) = 0.64

Pragun answered Nov 7, 2020

6.2k points

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