Last updated on Oct 23, 2026

Effect of Changing 'n' in aSin(nx) or aCos(nx) (Leaving Cert Mathematics): Quizzes

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Effect of Changing 'n' in aSin(nx) or aCos(nx)

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What is the default amplitude of sine and cosine functions?

1

What is the period of $y=\sin x$ or $y=\cos x$ ?

$2\pi$

Where does $\sin x$ graph pass through the origin?

$(0,0)$

At which point does $\cos x$ graph start?

$(0,1)$

What symmetry does $\sin x$ graph show?

Odd symmetry

What symmetry does $\cos x$ graph show?

Even symmetry

How often does $y=\sin x$ repeat?

Every $2\pi$

How is the period of $y=3\cos(2x)$ calculated?

$2\pi/|2|$

What does amplitude represent?

Max displacement

What is the default period of $\sin$ and $\cos$ ?

$2\pi$

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The Basics

Special Angles & The Unit Circle

Radians & Sectors

Periodic Functions

Solving Trig Equations

Trig Identities

Explore Leaving Cert Mathematics Flashcards by Topics

The Basics

Special Angles & The Unit Circle

Radians & Sectors

Periodic Functions

Solving Trig Equations

Trig Identities

Explore Leaving Cert Mathematics Exam Questions by Topics

The Basics

Special Angles & The Unit Circle

Radians & Sectors

Periodic Functions

Solving Trig Equations

Trig Identities

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