9. Given that sin = 1/2 and cos B = 1/2, then + B is 90°. Write true or false. If true give reason.
Answers
Answered by
0
Step-by-step explanation:
No it is not true
because sin90 = 1 and cos90 = 0
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Answered by
2
Answer:true
Step-by-step explanation:
Sin30=1/2
A=30
Cos60=1/2
B=60
A+B=30+60=90
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