s2o9ftblmuraCed s2o9ftblmuraCed

29-04-2017
Mathematics

contestada

Which of these pairs are equal?
a. sin 49° and sin 51° eliminate
b. sin 33° and cos 57°
c. cos 28° and sin 72°
d. cos 14° and cos 76°?

Respuesta :

DevilsBack DevilsBack

13-12-2018

Answer:

The Answer is B

Step-by-step explanation:

Automatically eliminate A and D. C can't be it because 28 + 72 = 100 and we're trying to make the values equal 90. Therefore, B is the correct answer because 33 + 57= 90

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