А) 9cosa=9*0,6=5,4
Б) 16sina=16*3/5=48/5
В) 4cosa=4*0,28=1,12
Г)-10*-sina=10*-24/25= -48/5
Д)-ctga=1/2,5= -0,4
Е)-ctga= 1/-0,04= -25
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А) 9cosa=9*0,6=5,4
Б) 16sina=16*3/5=48/5
В) 4cosa=4*0,28=1,12
Г)-10*-sina=10*-24/25= -48/5
Д)-ctga=1/2,5= -0,4
Е)-ctga= 1/-0,04= -25