A) \[{{\sin }^{2}}\theta -{{\cos }^{2}}\theta =1\]
B) \[cose{{c}^{2}}\theta -{{\cot }^{2}}\theta =1\]
C) \[cose{{c}^{2}}\theta -{{\cos }^{2}}\theta =1\]
D) \[se{{c}^{2}}\theta -si{{n}^{2}}\theta =1\]
Correct Answer: B
Solution :
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