cosec 18° is a root of the equation… | Trigonometry | JEE Main 2021

JEE MAIN 2021

31-08-2021 S1

Question

cosec18º is a root of the equation :

Select the correct option:

A

$x^2+2 x-4=0$

B

$4 x^2+2 x-1=0$

C

$x^2-2 x+4=0$

D

$x^2-2 x-4=0$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Easy

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