1+cos(a).sin(a)1+\cos\left(a\right).\sin\left(a\right)1+cos(a).sin(a)
3(4x+4)3\left(4x+4\right)3(4x+4)
y2−16y+64y^2-16y+64y2−16y+64
limx→0(x+1)4x\lim_{x\to0}\left(x+1\right)^{\frac{4}{x}}x→0lim(x+1)x4
limx→0((2x2−3x5x2+1))\lim_{x\to0}\left(\left(\sqrt{\frac{2x^2-3x}{5x^2+1}}\right)\right)x→0lim((5x2+12x2−3x))
7−7t=287-7t=287−7t=28
cos (θ )−1sin(θ )=sin(θ )cos(θ )+1\frac{\cos\:\left(\theta\:\right)-1}{sin\left(\theta\:\:\right)}=\frac{sin\left(\theta\:\:\:\right)}{cos\left(\theta\:\:\right)+1}sin(θ)cos(θ)−1=cos(θ)+1sin(θ)
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