Algebra
Calculus
Trigonometry
Matrix
Question
Calculate the value
22+3
Alternative Form
≈0.965926
Evaluate
cos(15∘)
Use cos(t)=±21+cos(2t) to transform the expression
21+cos(30∘)
Add the terms
More Steps
Evaluate
1+cos(30∘)
Calculate the trigonometric value
1+23
Reduce fractions to a common denominator
22+23
Write all numerators above the common denominator
22+3
222+3
Divide the terms
More Steps
Evaluate
222+3
Multiply by the reciprocal
22+3×21
To multiply the fractions,multiply the numerators and denominators separately
2×22+3
Multiply the numbers
42+3
42+3
To take a root of a fraction,take the root of the numerator and denominator separately
42+3
Solution
More Steps
Evaluate
4
Write the number in exponential form with the base of 2
22
Reduce the index of the radical and exponent with 2
2
22+3
Alternative Form
≈0.965926
Show Solution
