Mathematics, 27.03.2020 21:33 1119diamondlord
Angles α and β are the two acute angles in a right triangle. Use the relationship between sine and cosine to find the value of β if β > α.
sin(x/2+20)=cos(2x-25/2)
A) 25°
B) 33°
C) 36.5°
D) 53.5°
HINT: Sine and cosine of complementary angles are related
Answers: 2
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