JEE Math Practice Question
$$\alpha = \sin 36^\circ $$ is a root of which of the following equation?
- A.$$16{x^4} - 10{x^2} - 5 = 0$$
- B.$$16{x^4} + 20{x^2} - 5 = 0$$
- C.$$16{x^4} - 20{x^2} + 5 = 0$$
- D.$$4{x^4} - 10{x^2} + 5 = 0$$
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