In sunlight, a vertical stick 6ft tall casts a shadow 2 ft long. at the same time a nearby tree casts a shadow 14ft long. how tall is the tree?

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b

The longer leg of a 30-60-90 trangle is 18

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2