Asked by herMajesty
expand each of the following using the compound angle formulae
a. cos(A - B)
b. sin(alpher + alpher)
c. cos(alpher + 70°)
a. cos(A - B)
b. sin(alpher + alpher)
c. cos(alpher + 70°)
Answers
Answered by
Steve
come on - you have the formulas. plug in your numbers. We can check your results.
and that's alpha, not alpher.
and that's alpha, not alpher.
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