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22-10-2019
Mathematics

contestada

(sin 0 + cos 0)2 = 1 + sin(20)

Respuesta :

Аноним Аноним

22-10-2019

Answer:

See the proof of this below.

Step-by-step explanation:

(sin 0 + cos 0)2

= sin^2 O + cos^2 O + 2sinO cosO

= 1 + 2 sinO cosO

But 2 sinO cosO = sin 2O

so (sin O + cos O)^2 = 1 + sin 2O.

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