How do you solve these questions?

1. solve tan²θ = tanθ

2. find the following and express your answer in polar form.
(2 - j)(cos45° + j sin45°)

Atriangular bandana has an area of 46 square inches. the height of the triangle is 5 3 4 inches. enter and solve an equation to find the length of the base of the triangle. use b to represent the length of the base.

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so