supremeodi supremeodi

30-03-2021
Mathematics

contestada

given right triangle abc and sin A= 1/2, cos A = √3/2

given right triangle abc and sin A 12 cos A 32 class=

Respuesta :

banmai0304 banmai0304

30-03-2021

Answer:

true

Step-by-step explanation:

sinA² + cosA²=1

⇔(1/2)² + cosA²=1

⇔cosA=±(√3/2)

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