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2 tan^2 45^@ -+ cos^2 30^@ - Sin^2 60^@...

` 2 tan^2 45^@ -+ cos^2 30^@ - Sin^2 60^@` is :

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Evaluate The following : 2 tan^2 45^@ + cos^2 30^@ -sin^2 60^@

Find the value of 2 tan^2 45^@ +cos^2 30^@-sin^2 60^@ .

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 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^@ )

Find the value of 2 tan 45^@ + cos 30^@ - sin 60^@ .

Evaluate : 2 tan ^(2) 45^(@) + cos ^(2) 30^(@) - sin ^(2) 60^(@)

Evaluate the following: (ii) 2 tan^(2) 45^(@) + cos^(2) 30^(@)-sin^(2)60^(@)

Evaluate the following 2 tan ^(2) 45^(@) +cos^(2) 30 ^(@) -sin ^(2) 60^(@)

Evaluate the following 2 tan ^(2) 45^(@) +cos^(2) 30 ^(@) -sin ^(2) 60^(@)