Substitution method

Solve goniometric equation:

sin4 θ - 1/cos2 θ=cos2 θ - 2

Result

θ = (Correct answer is: k*pi) Solution:  Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...): Be the first to comment! To solve this verbal math problem are needed these knowledge from mathematics:

Looking for help with calculating roots of a quadratic equation? Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation? Most natural application of trigonometry and trigonometric functions is a calculation of the triangles. Common and less common calculations of different types of triangles offers our triangle calculator. Word trigonometry comes from Greek and literally means triangle calculation.

Next similar math problems:

1. Completing square Solve the quadratic equation: m2=4m+20 using completing the square method
2. Solve 3 Solve quadratic equation: (6n+1) (4n-1) = 3n2
3. Solve equation solve equation: ?
4. Discriminant Determine the discriminant of the equation: ?
5. Square root 2 If the square root of 3m2 +22 and -x = 0, and x=7, what is m? Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.
7. Roots Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
8. Evaluation of expressions If a2-3a+1=0, find (i)a2+1/a2 (ii) a3+1/a3
9. Equation Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2. Quadratic equation ? has roots x1 = -26 and x2 = -86. Calculate the coefficients b and c.
11. Unknown number I think number. If subtract from the twelfth square the ninth square I get a number 27 times greater than the intended number. What is this unknown number?
12. Expression with powers If x-1/x=5, find the value of x4+1/x4
13. Crystal water The chemist wanted to check the content of water of crystallization of chromic potassium alum K2SO4 * Cr2 (SO4) 3 * 24 H2O, which was a long time in the laboratory. From 96.8 g of K2SO4 * Cr2 (SO4) 3 * 24 H2O prepared 979 cm3 solution of base. S
14. Cinema 4 In cinema are 1656 seats and in the last row are 105 seats , in each next row 3 seats less. How many are the total rows in cinema?
15. Difference AP 4 Calculate the difference of the AP if a1 = 0.5, a2 + a3 = -1.1
16. Theorem prove We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
17. Find the 2 Find the term independent of x in the expansion of (4x3+1/2x)8