Evaluate the following : (ii) \large 2tan^245\degree+cos^230\degree-sin^260\degree

Solution:  
1. Evaluate the following : (ii) \large 2tan^245\degree+cos^230\degree-sin^260\degree
1. Evaluate the following : (ii) \large 2tan^245\degree+cos^230\degree-sin^260\degree
1. Evaluate the following : (ii) \large 2tan^245\degree+cos^230\degree-sin^260\degree
1. Evaluate the following : (ii) \large 2tan^245\degree+cos^230\degree-sin^260\degree
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