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Evaluate : (5 cosec^2 30^@ -cos 90^@)/(...

Evaluate :
`(5 cosec^2 30^@ -cos 90^@)/(4 tan^2 60^@)`

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Evaluate : (5 cos^(2)60^@+4cos^(2)30^@ - tan^(2)45^@)/(sin^(2) 30^@+cos^2 60^@)

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

Evaluate : sin^2 30^@ cos^2 45^@ + 4 tan^(2)30^@ + 1/2 sin^2 90^@-2cos^(2) 90^@ +1/(24)

The value of (5cos^2 60^@+4sec^2 30^@-tan^2 45^@)/(tan^2 60^@- sin^2 30^@-cos^2 45^@) is: (5cos^2 60^@+4sec^2 30^@-tan^2 45^@)/(tan^2 60^@- sin^2 30^@-cos^2 45^@) का मान क्या होगा ?

Evaluate: "cosec"^(2)30^(@)+sec^(2)60^(@)+tan^(2)30^(@) .

Evaluate : (i) sin^(2)30^(@)*cos^(2)45^(@)+4tan^(2)30^(@)+(1)/(2)sin^(2)90+(1)/(8)cot^(2)60^(@) (ii) (tan^(2)60^(@)+4sin^(2)45^(@)+3sec^(2)30^(@)+5cos^(2)90^(@))/(cosec30^(@)+sec60^(@)-cot^(2)30^(@))

Evaluate : ( 5 cos ^(2) 60^(@) + 4 sec ^(2) 30^(@) - tan ^(2) 45^(@))/( sin ^(2) 30^(@) + cos ^(2) 30^(@))

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

X BOARDS-QUESTION PAPER 2023-Question
  1. Find a quadratic polynomial whose zeroes are 6 and -3.

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  2. Find the zeroes of the polynomial x^2+4x-12

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  3. Evaluate : (5 cosec^2 30^@ -cos 90^@)/(4 tan^2 60^@)

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  4. Prove that 5+2sqrt3 is an irrational number, given that sqrt3 is an ir...

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