taradawadi123 taradawadi123

09-08-2021
Mathematics

contestada

Prove that: sec⁴B - sec²B = tan⁴B + tan²B.

Respuesta :

jasongggg jasongggg

09-08-2021

Step-by-step explanation:

sec⁴B - sec²B = sec²B(sec²B - 1)

= (1 + tan²B)(tan²B)

= tan⁴B + tan²B

= Right-hand side (Proven)

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