" XI) "(4)/(tan^(2)60^(@))+(1)/(cos^(2)9...

" XI) "(4)/(tan^(2)60^(@))+(1)/(cos^(2)90^(@))-sin^(2)45^(@)/4+

" XI) "(4)/(tan^(2)60^(@))+(1)/(cos^(2)90^(@))-sin^(2)45^(@)/4+
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({(4) / (tan ^ (2) 60 ^ (@)) + (1) / (cos ^ (2) 30 ^ (@)) - 2sin ^ (2)...
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((4) / (tan ^ (2) 60 ^ (@)) + (1) / (cos ^ (2) 30 ^ (@)) - 2sin ^ (2) ...
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((4) / (tan ^ (2) 60 ^ (@)) + (1) / (cos ^ (2) 30 ^ (@)) - 2sin ^ (2) ...
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4(sin^4 6 0^(@)+cos^4 3 0^(@))-3(tan^2 6 0^(@)-tan^2 4 5^(@))+5cos^2 4...
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4(sin^(4) 60^(@) + cos^(4) 30^(@))-3(tan^(2) 60^(@) -tan^(2) 45^(@))+ ...
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4(sin^(4) 30^(@) + cos^(2) 60^(@) )-3(cos^(2) 45^(@) -sin^(2) 90^(@))-...
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इसका का मान ज्ञात कीजिए 4(sin^4 30^@ + cos^2 60) - 2(cos^2 45^@ - si...
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What is the value of 4(sin^4 30^@ + cos^4 60^@) -3(cos^2 45^@ - sin^2 ...
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