Mathematics, 28.09.2019 22:30 bxbykay1
∠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?
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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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