The value of 1 - sec² 45° is _____?
- 1
- -1
- -2
- None of these
Explanation
sec 45° = √2
sec² 45° = (√2)² = 2
1 - sec² 45° = 1 - 2 = -1
Last verified on 18-03-2026
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sec 45° = √2
sec² 45° = (√2)² = 2
1 - sec² 45° = 1 - 2 = -1
Last verified on 18-03-2026
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