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" प्रश्न-7."2tan^(2)45^(@)+cos^(2)30^(@)...

" प्रश्न-7."2tan^(2)45^(@)+cos^(2)30^(@)-sin^(2)60^(@)" का मान ज़ात कीजिए "

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

2 tan ^ 2 45 ^@ + cos ^ 2 30 ^@ - sin ^ 2 60 ^@ = ?

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

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

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

Find the value of, 2 tan 45^(@)+cos 30^(@)-sin 60^(@) .

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

Find the value of (cos^2 30^@-sin^2 30^@)/(sin^2 15^@+cos^2 15^@) . (cos^2 30^@-sin^2 30^@)/(sin^2 15^@+cos^2 15^@) का मान ज्ञात कीजिए।