Question

Solve sec^2 alpha + tan^2 alpha = 5/3​

Answer 1

Step-by-step explanation:

sec^2 alpha - tan^2 alpha + 2tan^2 alpha = 5/3

1 + 2tan^2alpha = 5/3

2tan ^2 alpha = 5/3 -1

tan^2alpha = 1/3

tan alpha = 1/root3

alpha = 30 degree