Calculati sin,cos,tg,si ctg pentru 45°,30°si 60°
Urgent!!!!
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Răspuns:
Explicație pas cu pas:
a=45°
sin 45°=√2/2 cos45°=√2/2 tg 45°=1 ctg45°=1
b=30°
sin 30°=1/2 cos30°=√3/2 tg30°=√3/3 ctg 30°=√3
c=60°
sin60°=√3/2 cos60°=1/2 tg60°=√3 ctg60°=√3/3