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Sagot :
Answer:
- Sequence: b >> a >> d
Step-by-step explanation:
The steps are as below:
- [tex]sec^2x - tan^2x = 1\\[/tex]
- [tex]1/cos^2x - sin^2x/cos^2x = 1[/tex]
- [tex](1 - sin^2x)/cos^2x = 1[/tex]
- [tex]cos^2x/cos^2x = 1[/tex]
- [tex]1=1[/tex]
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