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Mathematics, 01.01.2020 15:31 gabby5155
∠a and ∠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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Answers: 3
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∠a and ∠b are complementary angles of right triangle abc, cos a = 0.83, and cos b = 0.55. what is si...
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