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Mathematics, 31.08.2019 07:00 tmrodriguez1

Angle a and angle b are complementary angles of right triangle abc, cos a = 0.83, and cos b = 0.55. what is sin a + sin b?
a) 0.28
b) 1
c) 0.38
d) 1.38

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Angle a and angle b are complementary angles of right triangle abc, cos a = 0.83, and cos b = 0.55....
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