Math, asked by Sanjaybhangi, 1 year ago

In triangle abc right angle at B find the value of Cos A + B

Answers

Answered by parvathykm2002

Answer:

ans=0

Step-by-step explanation:

A+B+C=180

A+90+C=180

A+C=180-90

A+C=90

Cos(A+B)=Cos(90)=0

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Answered by aryan6414

it will be –sin theta where theta is the value of angle A

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