ulopezjr0001 ulopezjr0001

17-12-2019
Mathematics

contestada

Sam claims that cos X=sin Y if X and Y are congruent angles. Is Sam correct?

Respuesta :

jimrgrant1 jimrgrant1

17-12-2019

Answer:

No

Step-by-step explanation:

cosx = siny only if x = y = 45°

Otherwise

cosx° = sin(90 - x)°

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