2+2 2/2 2^2 2^3 2^5 log(10) log10(10) log10(100) log10(1/100) log(32) log10(32) log(32, 10) log(32, 2) sqrt(16) 16^(1/2) 16^(1/4) alpha = 0.01 ; sin(alpha); tan(alpha) alpha = 0.1 ; sin(alpha); tan(alpha) alpha = 0.2 ; sin(alpha); tan(alpha) alpha = 0.1 ; sin(alpha); tan(alpha); alpha*180/pi alpha = 0.2 ; sin(alpha); tan(alpha); alpha*180/pi alpha = 0.01 ; sin(alpha); tan(alpha); alpha*180/pi