(Cos)² (45°+ Theeta) + cos²(45°- theeta)÷Tan (60°+theeta) tan(30°+ theeta)

(Cos)² (45°+ Theeta) + cos²(45°- theeta)÷Tan (60°+theeta) tan(30

1.	(Cos)² (45°+ Theeta) + cos²(45°- theeta)÷Tan (60°+theeta) tan(30°+ theeta)
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