Question

find the value of x for which cos (4x -10)°=0​

Answer 1

Answer:

2.5°

Step-by-step explanation:

(4x-10)°=0

4x-10°=0

4x=0+10°

4x=10°

x=10°/4

x=2.5°

Answer 2

cos (4x - 10)°= cos 90°
4x - 10 = 90
4x = 100
x = 25°