Question

if sec a = 2, where a is acute, then find value of tan a.

Answer 1

sec² A - tan² A= 1

4-tan²A=1

3=tan²A

tan A=√3

Answer 2

Answer:

sec^2a =4

1+tan^2a =4

tan^2a =3

tan a= root3

so that,,a= 60°

Step-by-step explanation:

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