If 3x= cosecxtheta and 3/x= cot …

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If 3x= cosecxtheta and 3/x= cot theta then find 3[xsquare- 1/xsquare-]

Posted by Varad Patil 2 years ago

CBSE > Class 10 > Mathematics

1 answers

Vibha .. 2 years ago

Cosec¤+cot¤=3x +3/x ---(i) Cosec¤-cot¤=3x+3/x ---(ii) Multiply corresponding sides of (i)and( ii) Cosec^2-cot^2=3×3(x^2 -1/x^2) 1/3= 3(x^2-1/x^2)

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