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Alenkasestr [34]
2 years ago
12

Please simplify this problem

Mathematics
2 answers:
ziro4ka [17]2 years ago
8 0

Answer:

..

Step-by-step explanation:

alexdok [17]2 years ago
4 0

Answer:

0.982

Step-by-step explanation:

cos 88°*cos 77° + sin 88°*sin 77°

= cos (88°-77°)

= cos 11°

= 0.982

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