Math, asked by vk6244051, 4 months ago

what is the value cos A from the given triangle ABC

Answers

Answered by alltimeindian6

0

Answer:

If C=90

0

Therefore

cos(A+B)

=cos(180

0

−C)

=cos(180

0

−90

0

)

=cos(90

0

)

=0

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