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[" 10.If "sin(theta+alpha)=cos(theta+alp...

[" 10.If "sin(theta+alpha)=cos(theta+alpha)" then "tan theta=],[" 1) "(1+tan alpha)/(1-tan alpha)quad " 2) "(1+sin alpha)/(1-sin alpha)],[" 3) "(1-tan alpha)/(1+tan alpha)quad " 4) "(1+cos alpha)/(1-cos alpha)]

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