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Evaluate : sin^2 60^@+ 2tan 45^@-cos^2 3...

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

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

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

The value of sin^(2) 60^(@) + 2 tan 45^(@) - cos^(2) 30^(@) is :

Evaluate : (sin 30^(@) + tan45^(@) - cosec 60^(@))/(sec 30^(@) + cos 60^(@) + cot 45^(@))

Find the value of sin 60^(@)+ 2tan45^(@)-cos30^(@) .

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

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

Evaluate : 2sin^(2)30^(@)tan60^(@)-3cos^(2)30^(@)sec60^(@)

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

AGRAWAL PUBLICATION-(2019) QUESTION PAPER-EXAMPLE
  1. Evaluate : sin^2 60^@+ 2tan 45^@-cos^2 30^@

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  5. Prove that sqrt 3 is an irrational number.

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  6. Find the greatest number which on dividing 1251, 9377 and 15628 leaves...

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  7. A,B and C are interior angles of a triangle ABC. Show that sin[(B+C)/2...

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  8. If angle A = 90^@, then find the value of tan [(B + C)/2]

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  9. If tan(A +B) = 1 and tan(A - B) = 1/ sqrt 3, 0^@ < A + B < 90^@, A>B, ...

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  10. In Figure, PQ is a chord of length 8 cm of a circle of radius 5 cm. Th...

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  11. Prove that opposite sides of a quadrilateral circumscribing a circel s...

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  16. If m times the m^(th) term of an Arithmetic Progession is equal to n t...

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  17. The sum of the first three numbers is an Arithmetic Progression is 18....

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  18. Construct a triangle ABC with side BC = 6 cm, AB = 5 cm and angle ABC ...

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  19. In Figure, a decorative block is shown which is made of two solids, a ...

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  20. In Figure, a decorative block is shown which is made of two solids, a ...

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  21. A bucket open at the top is in the form of a frustum of a cone with a ...

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