Question

Trigonometry
Trigonometric Functions
Given: Tan θ = (7/5), Find: Sec θ

Answer 1

secθ = sqrt(74)/5, -sqrt(74)/5

Explanation:

1 + tan²θ = sec²θ

1 + (7/5)² = sec²θ

1 + 49/25 = sec²θ

74/25 = sec²θ

secθ = sqrt(74)/5, -sqrt(74)/5