151° Have a great day/night!
Answer:
Step-by-step explanation:
c
Csc(pi)
Cot(pi)
Csc(0)
Sec(90)
-2x² + 15
Step 1: Add like terms
4x² - 6x² = -2x²
-10x + 10x = 0
3 + 12 = 15
Step 2: Rewrite