Practice problem
In a triangle, if we have sinx=45\sin x = \dfrac {4}{5}sinx=54, what is the value of cosx\cos xcosx?
35\dfrac{3}{5}53
−35-\dfrac{3}{5}−53
45\dfrac{4}{5}54
−1-1−1
Type a concept, like “slope” or “photosynthesis”.
