25Schools
Secondary revision · Advanced Mathematics - G10

Trigonometric Identities

Question 1 of 3 Grade: Ten - G10
Q1 Essay · up to 5 points
Verify the identity: sin²x + cos²x = 1 for x = 45°.
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