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The sine of the complimentary angle of 28° a. -0.86 c. -0.74 b. 0.88 d. 0.76

User Quis
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the answer is .88 i believe                                          
User Siddiq Abu Bakkar
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The answer is 0.88 because the complementary angle of 28 is 90-28=62 so sine of 62 is 0.88

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User Zoltan Szilagyi
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