1 Answer

Mehul Chauhan · Answer 1 · 2020-09-01T02:35:55+0000

Answer:

√(2)

Explanation:

using the trigonometric identity

• sec²Θ = 1 + tan²Θ, then

sec²Θ = 1 + (- 1)² = 2, hence

secΘ = ±
√(2)

secΘ > 0 for
$(3\pi )/(2)$ < Θ < 2π

⇒ secΘ =
√(2)

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