<span>sin 90° = 1
</span>
cos 0° = 1
There's a simple formula : <em>sin θ = cos (90°- θ)</em> or <em>cos θ = sin (90°- θ) </em>
So : cos 0° = sin (90° - 0°) = sin 90° = 1
Answer:
80 or 2
Step-by-step explanation:
triangles = 180degrees
50+50+x=180
x=80
Hope this helps plz hit the crown :D
i work at my uncle’s restaurant but idr work
Its the 4th one have a great day
Answer:
9. This is because you have to add 13 to -4, which gives you positive 9. Hope this helped!
