CUET Preparation Today
CUET
General Aptitude Test
Quantitative Reasoning
Trigonometry
If sinx + cosec x = 2, then $sin^{17}x + cosec^{18}x$ is equal to :
1
0
4
2
sinx + cosec x = 2
Put x = 90º
sin90º + cosec 90º
= 1 + 1
= 2 ( satisfied )
Now,
$sin^{17}x + cosec^{18}x$
= $sin^{17}90º + cosec^{18}90º $
= 2