En cos56+ cos²34 sin” 56+sin? 34 T ...
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En cos56+ cos²34 sin” 56+sin? 34 T + 3 tan? 56 tan? 34

11th - 12th Class
Maths
Solution
23
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Give nating Solved by an 11 is an ( frac{cos ^{2} 56+sin ^{2} 56}{sin ^{2} 56+cos ^{2} 56}+3 tan ^{2} 56 cdot cot ^{2} 56 sec frac{frac{pi}{cos 34}=sin 56^{circ}}{tan 34^{circ}=cos 56^{circ}} ) [ =1+3=4 quad text { Ans } quad 0,2 rightarrow ]
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