Log inSign up

Precalculus Flashcards: Find Sum Of Two Vectors

Study Find Sum Of Two Vectors in Precalculus with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What is the direction angle of ⟨−1,−1⟩\langle -1,-1\rangle in radians?

Tap card or press Space to flip

ANSWER

5π4\frac{5\pi}{4}. In quadrant III, add π\pi to reference angle π4\frac{\pi}{4}.

1 / 34

Precalculus: Vectors

You are hereFind Sum of Two Vectors34 cards

All flashcards

34 cards

What this deck covers

This deck focuses on Find Sum Of Two Vectors, giving you a quick way to review the definitions, rules, and examples that matter most for Precalculus.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 43Practice questions for this set
Two displacement vectors are given: d⃗1\vec{d}_1 with magnitude 15 meters at 240°240° from the positive x-axis, and d⃗2\vec{d}_2 with magnitude 9 meters at 30°30° from the positive x-axis. What is the x-component of their sum d⃗1+d⃗2\vec{d}_1 + \vec{d}_2?
Choose an answer

Keep your progress across every deck

Free account · cards you mark are saved to it