1 F= (cos alpha - sin alpha)^2 + (cos alpha + sin alpha)^2
2 G=[ ( cos alpha - sin alpha )^2 - (cos alpha + sin alpha)^2] /( sin alpha.cos alpha)
Loga
Toán lớp 9
1 F= (cos alpha - sin alpha)^2 + (cos alpha + sin alpha)^2
2 G=[ ( cos alpha - sin alpha )^2 - (cos alpha + sin alpha)^2] /( sin alpha.cos alpha)
