If you're going to use technology (Brainly) to solve this problem, you might find you get a quicker answer using the technology of your graphing calculator.
It is often convenient to cast the problem in the form f(θ) = 0. You can do that by adding 1 to both sides of the equation.

Answer:
I think it's true. hope this helps!!
Step-by-step explanation:
Copy and rotate the triangle and place it next to the existing triangle to form a rectangle.
Answer:
♣: SAS similarity theorem
♦:definition of similar triangles
Step-by-step explanation:
Got the correct answers from ed