sin(3x-30)-sin(3x+60)=... A. -2 cos(3x+30) B. -akar(2)
Saluran Edukasion 2024-02-15T06:27:00
sin(3x-30)-sin(3x+60)=... A. -2 cos(3x+30) B. -akar(2) cos(3x+15) C. - akar(2) sin(3x+15) D. - akar(2) cos(3x+15) E. -akar(2) sin(3x+15)
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