If there are friends who read the book "Killing a Mockingbird", can they give information about its content? But please do not have a clear copy. Thanks, you love it guys ..;)

Evaluate cos2θ for cosθ = square root of 3/2

Match the vocabulary to the proper definition. in probability, two events in which 1. conditional probability the outcome of one event is independent of the outcome of a second event. 2. dependent events in probability, two events in which the outcome of one event is dependent on the outcome of a second event. the probability of an event in which the outcome of the event is conditional on the outcome of one or more different events. 3. independent events

How is this equation completed? i cannot find any examples in the book.