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Evaluate : tan^2 30^@ sin^2 30^@ + cos...

Evaluate : `tan^2 30^@ sin^2 30^@ + cos 60^@ sin^2 90^@tan^2 60^@-2 tan 45^@ cos^2 0^@ sin 90^@`

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

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

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

The value of sin^2 30^@ cos^2 45^@ +4 tan^2 30^@+ 1/2 sin^2 90^@+ 2cos 90^@ is : sin^2 30^@ cos^2 45^@ +4 tan^2 30^@+ 1/2 sin^2 90^@+ 2cos 90^@ का मान ज्ञात करें |

Evaluate : ( 2 ( sin^2( 60^(@ )) + cos^2( 60^(@ )))) / ( tan^2( 45^(@ )) - cos^2( 90^(@ )) + sin( 90^(@ ))

Evaluate 3 cos^(2) 30^(@) +sec^(2) 30^(@) +2 cos 0^(@) + 3sin 90^(@) -tan^(2) 60^(@)

Evaluate : (tan45^(@))/(2sin30^(@)-cos60^(@))

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^2 45^@ +cos^2 30^@-sin^2 60^@ .

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