Question

sec^2 A-tan^2A when angleA=30°​

Answer 1

Step-by-step explanation:

sec^2 A - tan^2 A => sec^2 30° - tan^2 30° =>

(2×2)-(√3×√3) => 4-3 => 1.Hope it helps you.

Answer 2

Answer:

ANSWER IS 1

Step-by-step explanation:

USING TRIGONOMETRIC IDENTITIES:

1+TAN^2 A=sec^2 A

HENCE, 1=SEC^2 A-TAN^2 A

THEREFORE, YOUR ANSWER IS 1