Question: In Problems 2542, establish each identity. sin (40) + sin(80) sin (40) sin(80) tan (60) tan (20)

In Problems 25–42, establish each identity.sin (40) + sin(80) sin (40) sin(80) tan (60) tan (20)

sin (40) + sin(80) sin (40) sin(80) tan (60) tan (20)

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