Verify which of the following are identities. 1) 13 sec theta sin theta=13cot theta tan^2 theta 2) 9 cot^2 theta/ csc theta sec^2 theta= 9 tan theta cos theta csc^2 theta

Can someone me i’m confused. will give brainliest and a whole bunch of points

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).