Question

If triangle ABC is a right angle triangle h c find the value of cos a + b is equals to

Answer 1

Answer:

ABC is right angled at C.

Therefore, C= 90°.

A+B+C= 180°(Sum of angles of triangle)

A+B+90°=180°

A+B= 90°

Now,

Cos(A+B)= Cos(90°)

= 0

Step-by-step explanation:

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