cos (45-a)+cos (45+a)/sin (45+a)+sin (45-a)=...a. -akar(2)
Saluran Edukasion 2024-03-17T10:06:43
cos (45-a)+cos (45+a)/sin (45+a)+sin (45-a)=...a. -akar(2) d. 1b. -1 e. akar(2) c. 1/2 akar(2)
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