anenee1
25.07.2020 •
Mathematics
Find the exact value
sin 79° cos 19° - cos 79° sin 19°
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Ответ:
Step-by-step explanation:
Using the trigonometric identity
sin(a - b) = sin a cos b - cos a sin b
So sin 79° cos 19° - cos 79° sin 19° can be written as
sin ( 79 - 19) = sin 60
And
Hope this helps you
Ответ:
what u mean
Step-by-step explanation: