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If a sin45^(@).cos45^(@).tan60^(@)=tan^...

If a `sin45^(@).cos45^(@).tan60^(@)=tan^(2)45^(@)-cos60^(@)`, then find the value of a .

A

`h tan alpha`

B

`(htan alpha)/(tanbeta-tanalpha)`

C

`(htanalpha)/(tan alpha-tanbeta)`

D

None of these

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Verified by Experts

The correct Answer is:
B
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frac(sin 30^.cos 45^@)(tan 60^@)

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

(4(sin^(2)60^(@)+cos^(2)60^(@)))/(tan^(2)45^(@)-cos^(2)90^(@)+sin90^(@))

If x cos^2 30^@. sin 60^@=(tan^2 45^@. sec 60^@)/(cosec 60^@) then the value of x is यदि x cos^2 30^@. sin 60^@=(tan^2 45^@. sec 60^@)/(cosec 60^@) है, तो x का मान ज्ञात करें।

If x sin45^(0)cos^(2)60^(@)=(tan^(2)60^(@)cos ec30^(@))/(sec45^(@)cot^(2)30^(@)) then x=

4sin^(2)60^(@)+3tan^(2)30^(@)-8sin45^(@)*cos45^(@)

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

If x sin 45^(@) cos^(2)60^(@)=(tan^(2)60^(@) cosec 30^(@))/(sec 45^(@) cot^(2) 30^(@)) then x

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