Flashcards
Trigonometry
Cards in this deck (1)
- 1Sin2A+cos2A=1 A + cos2For an acute angle A, prove that sin 2A+cos2A =1 Sol.-sin 2A + cos2A=1
LHS=sin2A+cos2A=(opposite/Hypotenuse)^2+(adjacent/Hypotenuse)^2=BC^2/AC^2+AB^2/AC^2=BC2+AB2/AC2=AC2/AC2=1
Information
- Description
- Flashcards on Trigonometry, created by Arav Sehgal on 26/08/2021.
- Created by
- Arav Sehgal
- Views
- 1
- Rating
More on Trigonometric Identities