The value of cos80°cos10°-sin80°sin10°
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Answer:
Step-by-step explanation:
Cos(80+10) =cos90=0
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Answer:
cos80°=0.173648177 or 0.17
cos10°=0.984807753 or 0.98
-sin80°= 0.984807753 or -0.98
sin10°=0.173648177 or 0.17
if youll get the answer, its -0.03
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