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Sin 2 60
[Solved] sin2 60° + cos2 30° + cot2 45° + sec2 60°
![[Solved] sin2 60° + cos2 30° + cot2 45° + sec2 60°](https://storage.googleapis.com/tb-img/production/21/11/5d31cb06fdb8bb7f956c8114_16373257145551.png)