Topic explanation

Standard explanation

No restriction for sin, cos, or a sin(cx+d). The inside cx+d can be anything. Contrast tan, which has holes (next).

Key points

• all R
• domain of sin, cos: all real
• range [-1,1]
• c does not change range of a cos(cx)
• DOMAIN OF SINE AND COSINE: No restriction for sin, cos, or a sin(cx+d). The inside cx+d can be anything. Contrast tan, which ha
• DOMAIN: No restriction for sin, cos, or a sin(cx+d).
• WHAT — DOMAIN OF SINE AND COSINE: No restriction for sin, cos, or a sin(cx+d). The inside cx+d can be anything. Contrast tan, which ha
• WHY — Why it matters: This rule is a separate learning unit inside domain and range of sin and cos. It can be defined, app

Labelled diagram