sec (7θ + 28°)= cosec (30° – 3θ)⇒ sec (7θ + 28°) = sec (90° – (30° –3θ))⇒ 7θ + 28° = 90° – 30° + 3θ⇒ 4θ = 90° – 30° – 28° = 32°
Previous Question Next Question
Your comments will be displayed only after manual approval.
