Question: pls help answer these Draw a reference triangle and find the EXACT RATIO of the trig function indicated. 9. 10. csco for (20,-21) cos B

pls help answer these

pls help answer these Draw a reference triangle and find the EXACT

Draw a reference triangle and find the EXACT RATIO of the trig function indicated. 9. 10. csco for (20,-21) cos B 1 1. Given tan 0 = - - where ?

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