Find the exact value of each of the following.cos195^(circ)

Jaden Easton 2020-10-19 Answered

Find the exact value of each of the following.
cos195

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Expert Answer

brawnyN
Answered 2020-10-20 Author has 91 answers

1:
cos195=cos(150+45)
2:
=cos150cos45sin150sin54
3:
=32×2212×22
4:
=3×2424
Result
2(3+1)

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