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Evaluate..... sin7π/4.... |
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Answer» SIN(7π4)sin(7π4) Find the value using the definition of sine. sin(7π4) Substitute the values into the definition. sin(7π4)=−√221sin(7π4)=-221 Simplify the result. Multiply the NUMERATOR by the RECIPROCAL of the denominator. −√22⋅1-22⋅1 Multiply −1-1 by 11 to get −1-1. −√22-22 The result can be shown in both EXACT and DECIMAL forms. Exact Form: −√22-22 Decimal Form: −0.70710678… |
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