Question

alpha and beta are complementary angles and 18 sin2 alpha -12 sin alpha =-2 then sin beta is ​ it is urgent

Answer 1

Answer:

18sin2α-12sinα= -2

18(2sinαcosα)-12sinα= -2

18sinαsin(90°-α)-6sinα= -1

18sinαsinβ-6sinα = -1

sinβ = -1+6sinα/18sinα