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(4) Trigonometri

(4) Trigonometri

Assessment

Presentation

Mathematics

10th Grade

Practice Problem

Medium

Created by

Sepka Sugita

Used 2+ times

FREE Resource

8 Slides • 5 Questions

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Multiple Choice

Berikut identitas kebalikan yang tepat dari secα\sec\alpha adalah ....

1

1secα\frac{1}{\sec\alpha}

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1cosecα\frac{1}{\operatorname{cosec}\alpha}

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1cosα\frac{1}{\cos\alpha}

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1sinα\frac{1}{\sin\alpha}

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Multiple Choice

Berikut identitas perbandingan yang tepat dari sinαcosα\frac{\sin\alpha}{\cos\alpha} adalah ....

1

tanα\tan\alpha

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cotanα\operatorname{cotan}\alpha

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secα\sec\alpha

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cosecα\operatorname{cosec}\alpha

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Fill in the Blanks

Type answer...

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Fill in the Blanks

Type answer...

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Multiple Choice

Langkah pertama untuk membuktikan identitas trigonometri

1+tan2 αtan2 α(1+cotan2 α)=1\frac{1+\tan^2\ \alpha}{\tan^2\ \alpha\left(1+\operatorname{cotan}^2\ \alpha\right)}=1

adalah ....

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cos2 α(sec2 α1)(cosec2 α)=1\frac{\cos^2\ \alpha}{\left(\sec^2\ \alpha-1\right)\left(\operatorname{cosec}^2\ \alpha\right)}=1

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sec2 α(sec2 α1)(cosec2 α)=1\frac{\sec^2\ \alpha}{\left(\sec^2\ \alpha-1\right)\left(\operatorname{cosec}^2\ \alpha\right)}=1

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sec2 α(sec2 α1)(sec2 α)=1\frac{\sec^2\ \alpha}{\left(\sec^2\ \alpha-1\right)\left(\sec^2\ \alpha\right)}=1

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sec2 α(cotan2 α1)(cosec2 α)=1\frac{\sec^2\ \alpha}{\left(\operatorname{cotan}^2\ \alpha-1\right)\left(\operatorname{cosec}^2\ \alpha\right)}=1

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