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" (ii) "(cot30^(@))/(sin60^(@)+cos60^(@)...

" (ii) "(cot30^(@))/(sin60^(@)+cos60^(@))

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(tan60^@)/(sin60^@+cos30^@)

"(1) "sin60^(@)cos30^(@)+sin30^(@)cos60^(@)

Show that : (i) (1-sin60^(@))/(cos60^(@))=(tan60^(@)-1)/(tan60^(@)+1) (ii) (cos30^(@)+sin60^(@))/(1+sin30^(@)+cos60^(@))=cos30^(@)

Evaluate it [[sin30 ^ (@), cos30 ^ (@) - sin60 ^ (@), cos60 ^ (@)]]

Evaluate : (sin^(2)30^(@)+sin^(2)45^(@)-4cot^(2)60^(@))/(2sin30^(@)cos30^(@)+(1)/(2)tan60^(@))

Evaluate : (sin^(2)30^(@)+sin^(2)45^(@)-4cot^(2)60^(@))/(2sin30^(@)cos30^(@)+(1)/(2)tan60^(@))

find the value of sin60^(@)cos30^(@)+sin30^(@)cos60^(@)

Evaluate the following : sin60^(@)cos30^(@)+sin30^(@)cos60^(@)

Evalulate the following : sin60^(@)cos30^(@)+sin30^(@)cos 60^(@)