Find the outcome of: cos(pi/4+pi/3)

geduiwelh

geduiwelh

Answered question

2021-01-28

Find the outcome of:
cos(π4+π3)

Answer & Explanation

falhiblesw

falhiblesw

Skilled2021-01-29Added 97 answers

cos(A+B)=cosAcosBsinAsinB
cos(π4+π3)=cos(π4)cos(π3)sin(π4)sin(π3)
=22×1222×32
=2464
=264
The answer:
cos(π4+π3)=264

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