arunkumar8218 arunkumar8218

15-02-2021
Mathematics

contestada

if in ∆ABC, angle C=90 then cos(A+B )=

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NerdLovesMath NerdLovesMath

15-02-2021

Answer:

180

Step-by-step explanation:

Cause all together this angel would equal 360.

90 is one side of the triangle and a and b will both be 45 so 45+45+90

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