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LenKa [72]
3 years ago
6

Prove sin^2 π/6 + cos^2 π/3 - tan^2 π/4 = -1/2​

Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
7 0

=(

2

1

)

2

+(

2

1

)

2

−1

2

=

2

−1

Therefore, L.H.S = R.H.S

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