Hallar la longitud de la sombra de un árbol de 15 m de altura cuando los rayos del sol forman con la horizontal un ángulo de 34°

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?