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

Draw a reference triangle and find the EXACT RATIO of the trig function indicated. 9. 10. csco for (20,-21) Cos B ( -4-5 ) 11. Given tan 0 = - 15 8 Where "

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