Prove the identity: siny+tany/1+secy=siny

Given a circle with measures of (c, d, and r) and a circle with measures of (c', d', and r'), what is d if c c' = 12 and d' = 0.50? a) 3 b) 6 c) 12 d) 24

What is the first step of an indirect proof of a number that is divisible by two

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation