Cos equations

In this blog post, we will show you how to work with Cos equations.

Solve Now Decide math problems

Sine, Cosine, Tangent

= cosθ7 Explanation: 7cosθ = 7⋅ secθ1 = secθ7 If cosθ = sinθ, then what is cos2θ? Double angle formula : cos(2θ) = cos2θ − sin2 θ =

Fast Professional Tutoring

Looking for a quick and professional tutoring services? Look no further than Fast Professional Tutoring! Our tutors are experts in their field and can help you with whatever you need.

Decide math equation

Math is the study of numbers, shapes, and patterns. It is used to solve problems and to understand the world around us.

Have more time on your hobbies

If you're looking for help with your homework, our team of experts have you covered. We provide quick and easy solutions to all your homework problems.

Get support from expert professors

Our expert tutors can help you with any subject, any time.

Work on the task that is attractive to you

I am most interested in working on projects that are creative and engaging.

Get detailed step-by-step explanations

Looking for a quick and easy way to get detailed step-by-step answers? Check out our new service!


The Sine and Cosine Functions

Example 3.3.1A: Solving a Linear Trigonometric Equation Involving the Cosine Function Find all possible exact solutions for the equation cosθ = 1 2. Solution From the unit circle, we know

Graphing Cosine Function

Sine, Cosine and Tangent (often shortened to sin, cos and tan) are each a ratio of sides of a right angled triangle: For a given angle θ each ratio stays the same no matter how big or small the