Trīslocīklu loku aprēķins

Kosinusa aprēķins
tgAɸ=1.96; cosAɸ=1/√(1+3.8)=1/√4.8=1 / 2.19=0.46
tg1ɸ=1.47; cos1ɸ=1/√(1+2.16)=1/√3.16=1 / 1.78=0.56
tg3ɸ=0.49; cos3ɸ=1/√(1+0.24)=1/√1.24=1 / 1.11 =0.9
tg4ɸ=0; cos4ɸ=1/√(1+0)=1/√1=1 / 1= 1
tg5ɸ=-0.49; cos5ɸ=1/√(1+0.24)=1/√1.24=1 / 1.11=0.9
tg6ɸ=-0.98; cos6ɸ=1/√(1+0.96)=1/√1.96=1 / 1.4=0.71
tg7ɸ=-1.47; cos7ɸ=1/√(1+2.16)=1/√3.16=1 / 1.78=0.56
tgBɸ=-1.96; cosBɸ=1/√(1+3.8)=1/√4.8=1 / 2.19=0.46
cosɸ=1/√(1+tg2ɸ)
tg2ɸ=0.98; cos2ɸ=1/√(1+0.96)=1/√1.96=1 / 1.4=0.71
Sinusa aprēķins
tgAɸ=1.96; cosAɸ=0.46; sinAɸ= 0.9
tg1ɸ=1.47; cos1ɸ=0.56; sin1ɸ= 0.82
tg3ɸ=0.49; cos3ɸ=0.9; sin3ɸ= 0.44
tg4ɸ=0; cos4ɸ= 1; sin4ɸ=0
tg5ɸ=-0.49; cos5ɸ=0.9; sin4ɸ=-0.44
tg6ɸ=-0.98; cos6ɸ=0.71; sin6ɸ=-0.7
tg7ɸ=-1.47; cos7ɸ=0.56; sin7ɸ=-0.82
tgBɸ=-1.96; cosBɸ=0.46; sinBɸ=-0.9
sinɸ=tgɸ*cosɸ
tg2ɸ=0.98; cos2ɸ=0.71; sin2ɸ= 0.7
y=(4h/l2)* x(l-x);
x=0; y=0;
x=4,5;y=((4*18)/362)*4,5*(36-4,5)=0,25*31,5=7,875
x=9; y=13,5
x=13,5; y=16,875
x=18; y=18
x=22,5; y=16,875
x=27; y=13,5
x=31,5; y=7,875
x=36; y=0
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