if cos2 alpha cos2 beta 2 then the value of tan3 alpha sin5 beta is | Examsbook

2668

Q:
If cos²α + cos²β = 2, then the value of tan³ α + sin⁵ β is :

1
– 1
2
0
3
1
4
$$ {1\over √3 } $$

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Answer : 2. "0"

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