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anonymous
 one year ago
In right triangle ABC, ∠A and ∠B are complementary angles and sin A = 89. What is cos B?
817−−√17
89
17−−√9
17−−√8
anonymous
 one year ago
In right triangle ABC, ∠A and ∠B are complementary angles and sin A = 89. What is cos B? 817−−√17 89 17−−√9 17−−√8

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0this doesnt pertain to music

ChantySquirrel1129**
 one year ago
Best ResponseYou've already chosen the best response.0Why is your name "239iabusekids"?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Complementary angles are two angles that add up to a measure of 90 So, m<a+m<b=90 89+m<b=90 9089=m<b 1=m<b So the measure of angle B is 1 Therefore none of those answers are correct.
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