if cos a=12/3, sin b=3/5 find sin a+b and cos a-b​

Question

if cos a=12/3, sin b=3/5 find sin a+b and cos a-b​

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Liliana 1 month 2021-08-19T00:14:45+00:00 2 Answers 0 views 0

Answers ( )

  1. Charlotte
    0
    2021-08-19T00:15:45+00:00

    ѕínв=3/5=σpp/hчp.

    σpp=3

    hчp=5

    ѕσ αdjαcєnt ѕhσuld вє 4(вч phчthαgσruѕ thєrσєm)

    ѕσ ѕín α=4/5

    ѕín α+в= 3/5+4/5

    =3+4/5

    =7/5

  2. Charlotte
    0
    2021-08-19T00:16:22+00:00

    Step-by-step explanation:

    find another in this manner

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