25Schools
Secondary revision · Mathematics - G12

Trigonometric Identities (G12)

Question 1 of 12 Grade: Twelve - G12
Q1 Essay · up to 5 points
What is the half-angle formula for sine?
Worth up to 5 points

Unlock AI-graded essays

Essay answers are graded instantly by AI in your own words, not exact wording. Multiple-choice only ever earns 1 point; this question can earn you 5.

Free accounts can't answer essay questions yet, so you're missing the biggest points on the board every quiz.

Upgrade to Pro