sashapopkova sashapopkova

09-04-2021
Mathematics

contestada

cos 90 - sin 45
Pleeeeeeeeease

Respuesta :

ImranAiman1 ImranAiman1

09-04-2021

Answer:

-1.29897714066

Step-by-step explanation:

Answer Link

jimrgrant1 jimrgrant1

09-04-2021

Answer:

see explanation

Step-by-step explanation:

cos90° - sin45°

= 0 - [tex]\frac{\sqrt{2} }{2}[/tex] ( exact value of sin45° )

= - [tex]\frac{\sqrt{2} }{2}[/tex]

≈ - 0.707 ( to 3 dec. places )

Answer Link

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