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Victor Zakharov · Answer 1 · 2021-09-12T19:13:26+0000

Answer:

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