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Simplify the following expressions: a) sin 140° sin 20° cos 20°​
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Simplify the following expressions: a) sin 140° sin 20° cos 20°​

User Ghilas BELHADJ
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1 Answer

4 votes
The Answer would be:
0.365195
User PTucky Eagle
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User Tomleb
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If arc CE= 40°, and m∠CDE = 30°, what is arc AB ? A) 70° B) 100° C) 140° D) 20°
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