Welcome to Math @ STANDS4

All the math you need to succeed — Explore our world of mathematics with a FREE math problem solver, calculators, articles, exercises, worksheets and more!

The cosine (sine complement, Latin: cosinus, sinus complementi) of an angle is the ratio of the length of the adjacent side to the length of the hypotenuse, so called because it is the sine of the complementary or co-angle, the other non-right angle.

cos     =
Rate this calculator:(0.00 / 0 votes)


Use the citation below to add this Cosine Calculator to your bibliography:


"Cosine Calculator" Math @ STANDS4. STANDS4 LLC, 2020. Web. 28 Jan. 2020. <http://math.stands4.com//calculators/cos>.

Discuss everything about Cosine Calculator with the community:

We need you!

Help us build the largest mathematics knowledge base on the web!