1 - cos 20 + sin 20
1 + cos 20 + sin 20
2 tan
0
d) cot
2
1 - cos 20
1 + cos20
a) tan
c)
2
b)
0
1-tan?
2
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Answer:
Step-by-step explanation:
20 + sin 20
1 + cos 20 + sin 20
2 tan
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