Question

fins sec² 30 ‐ tan² 30=​

Answer 1

Answer:

sec² 30 = 4\3

tan² 30 = 1\3

so

4\3-1\3

= 1

Answer 2

sec^2 30=(2/root3)

tan^2 30=(1/ root3)

(sec^2 30) - ( tan^2 30)

(2/root3)^2 -(1/root3)^2

4/3-1/3

3/3

1