Q-Exam

If tg α = 8.6, Calculating sin α, cos α, cotg α .

Correct answer:

cotg α =  0.12
sin α =  0.12
cos α =  0.99

Step-by-step explanation:

cotgα=tg α1=0.12
tgα=xy y=cosα x=sinα  y=xtg α x2+y2=1 x2+(xtg α)2=1 x=cosα=1+tg2 α1=0.12
y=sinα=1+tg2 αtg α=0.99



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