Get the information you need quickly and easily with IDNLearn.com. Find accurate and detailed answers to your questions from our experienced and dedicated community members.

1. If SinA = 3/5, find the value of Cos2A
2. If CosA = 3/5, find the value of Sin2A
3. If tanA = 3/4, find the value of Sin2A and Cos2A
4. If SinA = 3/4, find Sin3A​