How do you find the exact value of the expression by using appropriate identities $\mathrm{sin}(79)\mathrm{cos}(49)-\mathrm{cos}(79)\mathrm{sin}(49)$?

Hana Buck
2022-09-18
Answered

How do you find the exact value of the expression by using appropriate identities $\mathrm{sin}(79)\mathrm{cos}(49)-\mathrm{cos}(79)\mathrm{sin}(49)$?

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