[" 25.मान निकालें- (i) "(cos20^(@))/(sin...

[" 25.मान निकालें- (i) "(cos20^(@))/(sin70^(@))+(cos theta)/(sin(90^(@)-theta))" [Jh] (ii) "(3sin62^(@))/(cos28^(@))=],[" 36.सिद्ध करें कि "(1+tan^(2)theta)cos thetacos(90^(@)-theta)=tan theta]

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