- #1
ashrafmod
tan(3pi\11)+4sin(2pi\11)=sqrt(11)
The formula for tan(3pi\11) is sin(3pi\11)/cos(3pi\11).
To simplify tan(3pi\11)+4sin(2pi\11), you can use the double angle formula for sine and the half angle formula for cosine.
The value of tan(3pi\11)+4sin(2pi\11) is important because it is equal to sqrt(11), which is a commonly used number in mathematics. This equation also demonstrates the relationship between trigonometric functions and their values.
To prove that tan(3pi\11)+4sin(2pi\11)=sqrt(11) is true, you can use the identities and formulas for sine and cosine, and simplify the equation step by step to show that both sides are equal.
Yes, there are many real-life applications for this equation. For example, it can be used in engineering and construction to calculate angles and distances, in physics to study vibrations and waves, and in astronomy to determine the positions of celestial objects.