Enter the expression 2cos2(θ)−1 , where θ is the lowercase greek letter theta. 2cos2(θ)−1 2 c o s 2 ( θ ) − 1 = nothing

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

What dimensions can créate more than one triangle ?

Which compound inequality could be represented by the graph?