cos^2 (pi/6)-sin^2 (3pi/4)+8sin (pi/4) cos (3pi/4)= ....

Saluranedukasion 2024-06-30T20:04:08.000Z

cos^2 (pi/6)-sin^2 (3pi/4)+8sin (pi/4) cos (3pi/4)= ....
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cos^2 (pi/6)-sin^2 (3pi/4)+8sin (pi/4) cos (3pi/4)= ....