Question

Sunt noua aici
Vă rog frumos , am nevoie de geniu la matematica
Dau puncte multe

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Answer 1

$\it e)\ sin125^o=sin(180^o-125^o)=sin55^o \Rightarrow\ frac\c{\it t}ia\ devine:\dfrac{sin55^o}{sin55^o}=1\\ \\ \\ f)\ sin135^o=sin(180^o-135^o)=sin45^o=cos45^o \Rightarrow\ frac\c{\it t}ia\ devine:\\ \\ \\ \dfrac{cos45^o}{cos45^o}=1$