Question

3tan^2 (2x-20)=1 find x​

Answer 1

Answer:

3 tan² (2x - 20) = 1

tan² (2x - 20) = 1/3

tan (2x - 20) = 1/√3

tan (2x - 20) = tan 30°

2x - 20 = 30°

2x = 50°

x = 50/2 = 25°

Answer 2

Answer:

x = 50/2 = 25 degree......