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Consider DeltaA C B , right-angled...

Consider `DeltaA C B` , right-angled at C, in which `A B"\ "="\ "29` units, `B C"\ "="\ "21` units and `/_A B C=theta` . Determine the values of (i) `cos^2theta+sin^2theta` (ii) `cos^2thetasin^2theta`

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