1 year ago

Help! Giving brainliest please show your work

Mathematics

1 answer:

torisob [31]1 year ago

4 0

Answer:

1) 13/20

2) 100

3) 2^6

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Using sum or difference formulas, find the exact value of sin(165∘)

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$\bf \textit{Sum and Difference Identities}
\\ \quad \\
sin({{ \alpha}} + {{ \beta}})=sin({{ \alpha}})cos({{ \beta}}) + cos({{ \alpha}})sin({{ \beta}})
\\ \quad \\
sin({{ \alpha}} - {{ \beta}})=sin({{ \alpha}})cos({{ \beta}})- cos({{ \alpha}})sin({{ \beta}})\\\\
-------------------------------\\\\$

$\bf sin(165^o)\implies sin(120^o+45^o)
\\\\\\
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