12-04-2017
Mathematics

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Given that sin 60 degrees = 0866, write the cosine of a complementary angle

Given that sin 60 degrees 0866 write the cosine of a complementary angle class=

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IcefromTaiwan IcefromTaiwan

12-04-2017

the complementary angle of 60° is 30°

and sin60° = cos30°

so answer = cos30° = 0.866

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