Question

cos 0° cos 30° cos 60° cos 90°_______​

Answer 1

Answer:

cos 0 = 1

cos 30 = √3/2

cos 60 =1/2

cos 90 = 0

Step-by-step explanation:

it's just the formula

Answer 2

$\huge\underline\mathfrak\pink{solution}$

$\cos \: 0 \times \cos 30 \times \cos60 \times \cos90$

$1 \times \frac{ \sqrt{3} }{2} \times \frac{1}{2} \times 0$

$0$

hope it helps you.