20) sin(票 23) sin(一回) 21) cos (TT+e) 22) sin(277-e) 29) cos(年+e) 5TT 26) sin() 2テ) ton() 25) cot(-137 32) sin() 26) sin(2) ー3TT 25) cos(2) 30) sec(2) 2) tan ( 23) 31) cot(-17) 34) sin'c@) = 7,0se

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