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Evalulate the following : sin60^(@)cos...

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

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

sin60^(@).cos30^(@)+cos30^(@)*sin60^(@)

Evaluate the following (i) sin 60^@ cos30^@ + sin 30^@ cos 60^@ (ii) 2tan^2 45^@ + cos^2 30^@ - sin^2 60^@ (iii) (cos45^@)/(sec30^@ + c o s e c 30^@) (iv) (sin30^@ + tan45^@ - c o s e c 60^@ )/(sec30^@ + cos60^@ +cot45^@) (v) (5cos^2 60^@ + 4sec^2 30^@ - tan^2 45^@ )/ (sin^2 30^@ + cos^2 30^@ )

Evaluate each of the following : cos60^(@)cos30^(@)-sin60^(@)sin30^(@)

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

Evalutate : sin60^(@) cos 30^(@)+sin30^(@)cos 30^(@) .

(log)_(sin30^(@)cos60^(@))=1

Verify each of the following : (i) sin60^(@)cos30^(@)-cos60^(@)sin30^(@)=sin30^(@) (ii) cos60^(@)cos30^(@)+sin60^(@)sin30^(@)=cos30^(@) (iii) 2sin 30^(@)cos30^(@)=sin60^(@) (iv) 2sin45^(@)cos45^(@)=sin90^(@)