love12341
love12341
04-05-2018
Mathematics
contestada
What is the value of x? sin(x+34)°=cos(2x+20)°
Respuesta :
calculista
calculista
13-05-2018
we know that
if sin A=cos B
then
angle A and angle B are complementary angles
so
A+B=90 degrees
in this problem
(x+34)+(2x+20)=90-------> 3x+54=90----> 3x=90-54-----> x=36/3----> x=12°
the answer is
the value of x is 12 degrees
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