Tags Math and Arithmetic Algebra Geometry

Animals & Plants Arts & Entertainment Auto Beauty & Health Books and Literature Business Electronics Engineering & Technology Food & Drink History Hobbies Jobs & Education Law & Government Math People & Society Science Social Studies Sports Travel & Places

0

Subjects>Math>Math & Arithmetic

What is the Formula for cosine in a triangle?

Anonymous

∙ 12y ago

Updated: 12/21/2022

a^2=b^2+c^2-2bc+cos(alpha) to find the length of minor arc.

Wiki User

∙ 12y ago

Still curious? Ask our experts.

Chat with our AI personalities

Blake

As your older brother, I've been where you are—maybe not exactly, but close enough.

Chat with Blake

Jordan

Looking for a career mentor? I've seen my fair share of shake-ups.

Chat with Jordan

Vivi

Your ride-or-die bestie who's seen you through every high and low.

Chat with Vivi

Add your answer:

Earn +20 pts

Q: What is the Formula for cosine in a triangle?

Write your answer...

Submit

Still have questions?

imp

Continue Learning about Math & Arithmetic

What is the cosine formula in trig?

so what you do is Soh Cah Toa, Cah for cosine so if you have a triangle you do the length of the adjacent divided by hypotenuse and the number you get (the rest depends on the calculator) you press 2nd or shift then cos button on your calculator. remember the calculator must be scientific the actual formula is cosine theta=a h then you write the numbers in and you should know the rest

How is cosine defined?

In a right triangle, the cosine of an angle is defined as the ratio of the adjacent side of that angle to the hypotenuse.

How do you find the hypotenuse with a cosine and or sine?

For a right angle triangle:- hypotenuse = adjacent/cosine or hypotenuse = opposite/sine

What is the radius of the circumcircle of a triangle with sides of 4cm by 5cm by 6cm?

Using the cosine rule the biggest angle is: 82.81924422 degrees Using radius formula for circumcircle of a triangle the radius is: 3.023715784 cm

What equation describes the cosine function for a right triangle?

mathematical equation

Trending Questions

A model airplane is built to a 1 inch 12 feet if the model plane is 11 inches long find the length of the actiual plane round to find this answer? How do you turn 24.5 percent into a fraction? What geometric solid has exactly two bases and no vertices? How many square centimeter is one cent? How much dollars is one euro? How many square feet of paper are needed to cover a bulletin board that is 3 feet tall and 6 feet wide? what is The sum of two numbers is 10 and their difference is 2? What are the first 10 factors of 4? What is the simplified fraction for 48 over 52? What are some fractions that are almost equivalent to pi? Is the triangle sides equal? Which measure is equal to 5 feet 6 inches? How many square feet in 0.4 acre? Where is use of fourier analysis in real life? What is 3954 divided by 6 equals? How many tiles 36L X6W for a room 12 foot by 10 foot? What is eight minus negative 21? What is the percentage difference of 28 percent and 25.3 percent? What is the least common factor for 52 51 50? Is there a number called a trillon?

Resources

Top Categories

Product

Company

Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.