Question

sin 18° - cos 72°is equal to :
[a] 12 (b) 18 (c) 16 (d) 30​

Answer 1

Step-by-step explanation:

$\sin(18) - \cos(72 ) = \ \cos(90 - 18) - \cos(72 )$

$= \cos(72) - \cos(72) = 0$

Looks like the options are wrongly given .

don't mind just mark it as the brainliest ❤️❤️❤️