Lily swims at a 100 meter race, she swims the first half in 27.8 seconds, she swims the second half in 30.12 seconds about how m
2 answers:
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Answer:
1)
2)
3)
4)
Step-by-step explanation:
1) Value of
since sin45° = 1/√2
Therefore
2).Value of
Since cos 30° = √3/2
Therefore
3). Value of
since tan 60° = √3
therefore
4). Value of
Since sin90°=1
Therefore