Sin5.cos85 + cos5.sin85
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Answer:
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Step-by-step explanation:
sin 5° cos 85° + cos 5° sin 85° =
= sin(5° + 85°) = sin 90° = 1
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Answered by
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Answer:Sin5°.cos85°+cos5°.sin85°
= Sin5°.cos(90-5)°+cos5°.sin(90-5)°
=sin^2(5)+ cos^2(5)=1(ans)
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