Is square root 1 minus cosine squared theta = −sin θ true? if so, in which quadrants does angle θ terminate?

Dilations map circles to circles and ellipses to ellipses with the same. true or false

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?