Fred Rand

This page lists questions and answers that were posted by visitors named Fred Rand.

Questions

The following questions were asked by visitors named Fred Rand.

Answers

The following answers were posted by visitors named Fred Rand.

NO sin 30 = .5 so cos 3theta = .5 3theta = 60 theta = 20
10 years ago
sqrt 3 * sqrt 15= sqrt 3 *sqrt 3 * sqrt 5 = 3*sqrt5 similarly sqrt 6 * sqrt 8 = 4sqrt3 and sqrt 20 * sqrt 5 = 10
10 years ago