cos 1°,cos 2°, cos 3°____ cos 170° A) 0 B) 1C) -1/2
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Answered by
1
Answer:
Ans 1
Step-by-step explanation:
it is simple
we
can multifly then is 1
Answered by
1
Answer:
0
Step-by-step explanation:
because cos 90° is 0
multiplication by 0 is 0
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