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chloerowen chloerowen
  • 24-02-2017
  • Mathematics
Answered

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Verified Answer :

LammettHash
LammettHash LammettHash
  • 24-02-2017

\(\cos B=\dfrac{6.3}{9.8}\implies B=\cos^{-1}\dfrac{6.3}{9.8}\)
\(\sin B=\dfrac{7.5}{9.8}\implies B=\sin^{-1}\dfrac{7.5}{9.8}\)

These are the only two correct choices.

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