seodata.dev

keyword

trigonometry textbook

Monthly search volume and cost-per-click data for "trigonometry textbook" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=trigonometry+textbook&country=us" +--------------+------------------+ | volume | 1,300 | | cpc | $0.39 | | competition | 0.77 | | country | US | | updated | 2026-05-26 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
trigonometry book 480 $0.58 15/20
trigonometry books 480 $0.8 11/20
trigonometric book 480 $0.46 10/20
trig book 480 $0.46 9/20
trigonometry textbooks 390 $0.47 11/20
best trigonometry book 140 $0.68 11/20
best trigonometry textbook 140 $0.68 10/20
online trig textbook 30 $6.66 10/20
trigonometry online textbook 30 $6.66 10/20
trigonometry book for beginners 20 $0 10/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=trigonometry+textbook&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt