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

User Mike Post
by
4.3k points

1 Answer

4 votes

=(

2

1

)

2

+(

2

1

)

2

−1

2

=

2

−1

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

User Phoenix
by
4.1k points
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