Advertisements
Advertisements
Question
Find the angle θ in the following, if 0° < θ < 90°.
cos θ = sin 48°
Sum
Advertisements
Solution
cos θ = sin (90° − θ)
cos θ = sin 48°
sin (90° − θ) = sin 48°
Since 0° < θ < 90° we have:
90° − θ = 48°
θ = 42°
shaalaa.com
Is there an error in this question or solution?
