zenithacharya000 zenithacharya000

15-08-2021
Mathematics

contestada

cos30° cos45°-sin30° sin 45°

Respuesta :

jasongggg jasongggg

15-08-2021

Answer:

(√6 - √2)/4

Step-by-step explanation:

cos30°cos45° - sin30°sin45°

= cos (30 + 45)°

= cos 75°

= (√6 - √2)/4

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