tan4A+tan2A=sec4A-sec2A
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Answered by
36
tan2A(tan2A+1),
tan2A=sec2A-1
sec2A-1(sec2A-1+1)
sec2A(sec2A-1)
sec4A-sec2A
Hence proved
Anonymous:
I think this would help u
Answered by
16
Answer:
Step-by-step explanation:
\* We know the Trigonometric identity:
•••♪
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