Math 30-1 · Trigonometric equations & identities
Pick something to practise.
Every question is new. Get one wrong and you'll see exactly where it went sideways, step by step.
Answer
How to solve it
Key idea
Check it with a graph
Graph the equation as . Every place the curve touches the x-axis is a solution — the dots are the answers.
Working…
I read your question as:
Answer
How to solve it
Key idea
Check it with a graph
Graph the equation as . Every place the curve touches the x-axis is a solution — the dots are the answers.