Latihan Matematika Wajib Kelas X Nilai Rasio Trigonometri Sudut-Sudut Istimewa
# 6
Pilgan

Perhatikan gambar berikut

Jika tan⁡45°=122\tan45\degree=\frac{1}{2}\sqrt{2}, maka sec⁡45°=....\sec45\degree=....

A

92−322−1\frac{\sqrt{\frac{9}{2}-3\sqrt{2}}}{\sqrt{2}-1}

B

92−223−1\frac{\sqrt{\frac{9}{2}-2\sqrt{2}}}{\sqrt{3}-1}

C

72−322−3\frac{\sqrt{\frac{7}{2}-3\sqrt{2}}}{\sqrt{2}-3}

D

92+222+1\frac{\sqrt{\frac{9}{2}+2\sqrt{2}}}{\sqrt{2}+1}

E

32+222−1\frac{\sqrt{\frac{3}{2}+2\sqrt{2}}}{\sqrt{2}-1}

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