How can I get the result of the following by simple equation method?
1. Sin-1(x) + sin-1(y) = ?
2. 3tan-1(x) = ?
Please don't solve it by using case but create the cases from the question so that i can understand.
How can I get the result of the following by simple equation method?
1. Sin-1(x) + sin-1(y) = ?
2. 3tan-1(x) = ?
Please don't solve it by using case but create the cases from the question so that i can understand.