Menyelesaikan = =1-(1-cos 2 alpha)sin^ 2 beta; 1-sin^ 2 beta+ B. sin^ 2 A-cos^ 2 A.cos 2B=sin^ 2 B-cos^ 2 B.cos 2A | 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

$$\sin ^ { 2 } A - \cos ^ { 2 } A - \cos 2 B = \sin ^ { 2 } B$$