tanθ ⋅ cscθ secθ =1\frac{\tan\theta\:\cdot\:\csc\theta\:}{sec\theta\:}\:=1secθtanθ⋅cscθ=1
xy−y−11x=5x y - y - 11 x = 5xy−y−11x=5
−10+3x<10-10+3x<10−10+3x<10
∫2∞1v2+4v−5dv\int_2^{\infty}\frac{1}{v^2+4v-5}dv∫2∞v2+4v−51dv
5x2−3x−2x−1\frac{5x^2-3x-2}{x-1}x−15x2−3x−2
limx→0(x.cotπ2)\lim_{x\to0}\left(x.\cot\frac{\pi}{2}\right)x→0lim(x.cot2π)
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