1. sin(2x + 4) = cos(3x + 21) 2. cos(20+15) = sin(10+30)
3. sin(5x - 10) = cos(4x + 28)
4. sin(8X) + cos(x) = 2cos(x)

Choose the number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61

What value of x is in the solution set of 4x – 12 s 16 + 8x?

The table shows the results of three plays in a football game. what is the net result of the three plays? football game 1st play 5 yards 2nd play -9 yards 3rd play 12 yards