1.

show that:- {cos2(45°-θ) +cos2(45°-θ)} /{tan(60°+θ) tan(30°-θ) } =1

Answer»

show that:-

{cos2(45°-θ) +cos2(45°-θ)} /{tan(60°+θ) tan(30°-θ) } =1



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