if tan4x ndash tan2x 1 then the value of sin4x sin2x is | Examsbook

588

Q:
If Tan⁴x – Tan²x=1 then the value of Sin⁴x + Sin²x is__

1
1
2
$$ {1\over 2}$$
3
3
4
$$ {1\over 5}$$

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Answer : 1. "1"

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