Mathematics · Trigonometry
Which of the following is the correct trigonometric identity relating sec(x) and tan(x)?
- 1tan2(x) - sec2(x) = 1
- 2sec2(x) - tan2(x) = 0
- 3sec2(x) + tan2(x) = 1
- 4sec2(x) - tan2(x) = 1✓
Correct answer
sec2(x) - tan2(x) = 1
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