Exercise 5: Prove the given identity 1 + cos^2(a) = tan^2(a) + sin^2(a)
Added by Domingo S.
Close
Step 1
Step 1: Start with the left side of the equation: 1 + cos^2(a) Show more…
Show all steps
Your feedback will help us improve your experience
Mrinal Rana and 87 other Precalculus educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Prove the identity $(\tan A)^{2}+1=\frac{1}{(\cos A)^{2}}$
Right Triangles and Trigonometry
Trigonometric Ratios
Kumareshwaran R.
Prove each identity. $$(\tan A-\sec A)^{2}=\frac{1-\sin A}{1+\sin A}$$
Trigonometric Functions and Equations
Trigonometric identities
Recommended Textbooks
Precalculus with Limits
Precalculus
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD