Discover Questions

A nail put into tree at height of 2m from ground.This tree grows at rate of 0.5m a year. How high above ground will nail be after 20 years.? Find all θ between 0 and 2π that satisfy the following: tan θ = -2.662 and cos θ > 0.? How can a trillion events be measured in the span of a microsecond? Why does a location other than mine keep showing up in weather? Find the multiplicative identity of the number which is obtained by dividing additive inverse of -5 by 1?