Question

sin(90) - 2 cos(45) - sin(45)

Answer 1

hi friend,

here is your answer

sin 90. = 1

cos45=sin 45 = 1/✓2

now

1-3(1/✓2)

1- 2.121320343559642

1.121320343559642

hope this would help you

pls mark me as brainliest