Mathematics · Trigonometry
If sin x + cos x = e, then the value of (sec4 x - sec2 x) is
- 1(e2 - 2)(e2 - 1)
- 24(e2 - 1)(e2 - 2)2✓
- 3(e2 - 2)(e2 + 1)
- 4None of these
Correct answer
4(e2 - 1)(e2 - 2)2
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