Perbandingan Trigonometri pada Segitiga Siku

7 Slides • 5 Questions

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Perbandingan Trigonometri pada Segitiga Siku - siku

By Lia Yuliana

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Perbandingan trigonometri adalah perbandingan ukuran sisi-sisi suatu segitiga siku-siku apabila ditinjau dari salah satu sudut yang terdapat pada segitiga tersebut.

PENGERTIAN

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Kebalikan dari sinus, Cosinus dan Tangen

Tangen

Cosinus

Sinus

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Contoh

Pembahasan

Panjang sisi BC

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Jika tan β= 3/2 , dengan β merupakan sudut lancip, maka tentukan nilai perbandingan trigonometri lainnya

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Multiple Choice

Segitiga ABC siku - siku di C, pernyataan berikut ini benar kecuali ...

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$\sin\ \alpha\ =\frac{\text{BC}}{\text{AB}}$

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$\cos\ \beta=\frac{\text{BC}}{\text{AC}}$

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$\sin\ \beta=\frac{AC}{AB}$

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$\cos\alpha=\frac{AC}{AB}$

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Multiple Choice

Nilai dari Tan α = ...

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$\frac{BC}{AB}$

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$\frac{AC}{BC}$

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$\frac{BC}{AC}$

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$\frac{AB}{AC}$

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Multiple Choice

definisi dari tangen adalah ....

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sisi depan sudut berbanding sisi miring

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sisi miring berbanding sisi samping sudut

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sis disamping sudut berbanding sisi didepan sudut

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sisi depan sudut berbanding sisi disamping sudut

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Multiple Choice

nilai cos $\alpha$ adalah ...

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$\frac{1}{2}$

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$\frac{1}{3}\sqrt[]{3}$

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$\frac{1}{2}\sqrt[]{3}$

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$\sqrt[]{3}$

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Multiple Choice

jika diketahui $\sin\ \alpha=\frac{3}{5}$ dan $\alpha$ terletak di kuadran pertama, maka nilai dari $\cos\alpha$ adalah ...

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$\frac{5}{4}$

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$\frac{5}{3}$

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$\frac{3}{4}$

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$\frac{4}{5}$

Perbandingan Trigonometri pada Segitiga Siku - siku

By Lia Yuliana

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