Solve ( cos)^(2)30=1-2( sin)^(2)30 | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$${ \cos }^{ 2 } 30=1-2 { \sin }^{ 2 } 30$$

Verify

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