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Формулы по тригонометрии (шпаргалка)

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cos(cos( sin(((((=sin(cos((sin(cos(

tg((+()=sin((+()/cos((+()=(tg(+tg()/(1-tg(tg()
tg((-()=(tg(-tg()/(1+tg(tg()

ctg((+()=(ctg(ctg(-1)/(ctg(+ctg() ctg((-()=(ctg(ctg(+1)/(ctg(-ctg()

sin2(=2sin(cos(=(2tg()/(1+tg2()
cos2(=cos2(-sin2(=(1-tg2()/(1+tg2()=2cos2(-1=1-2sin2(

tg2(=2tg(/(1-tg2() ctg2(=(ctg2(-1)/2ctg( ctg2(=(ctg2(-1)/2ctg(

cos2(/2=1+cos(/2 cos2(=(1+cos2()/2 sin2(/2=1-cos(/2 sin2(=(1-cos2()/2

cos(/2=((1+cos(/2 sin(/2=((1-cos(/2

tg(/2=((1-cos(/1+cos(=(sin()/(1+cos()=(1-cos()/sin(
ctg(/2=((1+cos(/1-cos(=sin(/(1-cos()=(1+cos()/sin(

sin(+cos(=(2 cos((/4-() sin(-cos(=(2 sin((-(/4)

cos(-sin(=(2 sin((/4-() cos(+cos(=2cos((+()/2cos((-()/2

cos(-cos(=-2sin((+()/2sin((-()/2 sin(+sin(=2sin((+()/2cos((-()/2

sin(-sin(=2sin((-()/2cos((+()/2 tg((tg(=(sin(((())/cos(cos(

cos(cos(=1/2(cos(((()+cos((+()) sin(sin(=1/2(cos(((()-cos((+())

sin(cos(=1/2(sin((+()+sin((-()) tg(=(2tg(/2)/(1-tg2(/2)

cos(cos( sin(((((=sin(cos((sin(cos(

tg((+()=sin((+()/cos((+()=(tg(+tg()/(1-tg(tg()
tg((-()=(tg(-tg()/(1+tg(tg()

ctg((+()=(ctg(ctg(-1)/(ctg(+ctg() ctg((-()=(ctg(ctg(+1)/(ctg(-ctg()

sin2(=2sin(cos(=(2tg()/(1+tg2()
cos2(=cos2(-sin2(=(1-tg2()/(1+tg2()=2cos2(-1=1-2sin2(

tg2(=2tg(/(1-tg2() ctg2(=(ctg2(-1)/2ctg( ctg2(=(ctg2(-1)/2ctg(

cos2(/2=1+cos(/2 cos2(=(1+cos2()/2 sin2(/2=1-cos(/2 sin2(=(1-cos2()/2

cos(/2=((1+cos(/2 sin(/2=((1-cos(/2

tg(/2=((1-cos(/1+cos(=(sin()/(1+cos()=(1-cos()/sin(
ctg(/2=((1+cos(/1-cos(=sin(/(1-cos()=(1+cos()/sin(

sin(+cos(=(2 cos((/4-() sin(-cos(=(2 sin((-(/4)

cos(-sin(=(2 sin((/4-() cos(+cos(=2cos((+()/2cos((-()/2

cos(-cos(=-2sin((+()/2sin((-()/2 sin(+sin(=2sin((+()/2cos((-()/2

sin(-sin(=2sin((-()/2cos((+()/2 tg((tg(=(sin(((())/cos(cos(

cos(cos(=1/2(cos(((()+cos((+()) sin(sin(=1/2(cos(((()-cos((+())

sin(cos(=1/2(sin((+()+sin((-()) tg(=(2tg(/2)/(1-tg2(/2)

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