What is sec 0 when tan 0 = V3? Đ. (1, 0) sec 0 = [?]

Question

asked Nov 21, 2022 107k views

1 Answer

Andrei Galatyn · Answer 1 · 2022-11-25T19:05:01+0000

Answer:

secθ = - 2

Explanation:

Using the identity

sec²θ = 1 + tan²θ

= 1 + (
√(3) )² = 1 + 3 = 4 ( take the square root of both sides )

secθ = ±
√(4) = ± 2

Since secθ < 0 in the third quadrant , then

secθ = - 2