1)cos B 2)tan C 3)sin^2B+cos^2B 4)sinB*cosC+cosB*sinC
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cosB=adjacent/hypotenuse=8/17
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Hey here is your answer
=============================
1)cos B=AB/BC
=8/17
2)tan C=AB/AC
=8/5
3)sin^2B+cos^2B=1
4)sinB*cosC+cosB*sinC
=5/17×5/17 + 8/17×8/17
=25/289 + 64/289
=89/289
=============================
Hpoe it may helpfil to you
plzz mark me as brainlist
=============================
1)cos B=AB/BC
=8/17
2)tan C=AB/AC
=8/5
3)sin^2B+cos^2B=1
4)sinB*cosC+cosB*sinC
=5/17×5/17 + 8/17×8/17
=25/289 + 64/289
=89/289
=============================
Hpoe it may helpfil to you
plzz mark me as brainlist
Gouthamkumar1:
Who is this??
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