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4(sin^4 30° + cos^4 60°) -3(cos^2 45° - sin^2 90°)
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Answered by
1
the ans is 2 for this problem
Kaviyabala:
i want with steps
Answered by
0
=4{(1/2)^4+ (1/2)^4}-3{(1/√2)^2-(1^2)}
=4(1/16+1/16)-3(1/2-1)
=4×2/16-3(-0.5)
=2/4+1.5
=0.5+1.5
=2
=4(1/16+1/16)-3(1/2-1)
=4×2/16-3(-0.5)
=2/4+1.5
=0.5+1.5
=2
u had done a mistake in second mistake
what
hey. just now u changed ur answers. dont cheat
i admit it
you wanted the steps that is why
I edited it
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