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Prove that: sec⁴B - sec²B = tan⁴B + tan²B.​
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Prove that: sec⁴B - sec²B = tan⁴B + tan²B.​

User Justin Mathew
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1 Answer

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Explanation:

sec⁴B - sec²B = sec²B(sec²B - 1)

= (1 + tan²B)(tan²B)

= tan⁴B + tan²B

= Right-hand side (Proven)

User Kiwo Tew
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