zenithacharya000 zenithacharya000
  • 15-08-2021
  • Mathematics
contestada

2sin60° sin90°+ cos60°cos0​

Respuesta :

jimrgrant1 jimrgrant1
  • 15-08-2021

Answer:

[tex]\sqrt{3 }[/tex] + [tex]\frac{1}{2}[/tex]

Step-by-step explanation:

Using exact values

2sin60°sin90° + cos60°cos0°

= 2 × [tex]\frac{\sqrt{3} }{2}[/tex] × 1 + [tex]\frac{1}{2}[/tex] × 1

= [tex]\sqrt{3}[/tex] + [tex]\frac{1}{2}[/tex] ← exact value

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