Matematika

Pertanyaan

Tolong jawab yaaa makasihh
Tolong jawab yaaa makasihh

1 Jawaban

  • [tex]\displaystyle \lim_{x\to\frac12\pi}\cos^2\left(x-\frac14\pi\right)=\cos^2\left(\frac12\pi-\frac14\pi\right)\\\lim_{x\to\frac12\pi}\cos^2\left(x-\frac14\pi\right)=\cos^2\left(\frac14\pi\right)\\\lim_{x\to\frac12\pi}\cos^2\left(x-\frac14\pi\right)=\left(\frac12\sqrt2\right)^2\\\boxed{\boxed{\lim_{x\to\frac12\pi}\cos^2\left(x-\frac14\pi\right)=\frac12}}[/tex]