sin223° + sin267° = ?

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A

0

B

1

C

2

D

- 1

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​​​​​সমাধান:
​দেওয়া আছে,
​sin223° + sin267°
​sin223° + sin2(90 - 23)°
​= sin223° + cos223°
​= 1

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Updated: 1 day ago

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