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dimakapelev
@dimakapelev
August 2022
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Simplify the expression
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iosiffinikov
Sin(pi/4+a)=c*sina+c*cosa
cos(pi/4+a)=-c*sina+c*cosa
числитель : 2с*sina
знаменатедь: 2с*cosa
Ответ: tg(a)
Здесь:
c=sin(pi/4)=cos(pi/4)=sqrt(2)/2 (корень из двух пополам)
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Answers & Comments
cos(pi/4+a)=-c*sina+c*cosa
числитель : 2с*sina
знаменатедь: 2с*cosa
Ответ: tg(a)
Здесь:
c=sin(pi/4)=cos(pi/4)=sqrt(2)/2 (корень из двух пополам)