Question
Verify the Identity.$$\cos ^{4} 2 \theta+\sin ^{2} 2 \theta=\cos ^{2} 2 \theta+\sin ^{4} 2 \theta$$
Step 1
Step 1: We start with the left hand side (LHS) of the equation: \[\cos ^{4} 2 \theta+\sin ^{2} 2 \theta\] Show more…
Show all steps
Your feedback will help us improve your experience
Babita Kumari and 59 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
Verify the Identity. $$\sin ^{4} \theta+2 \sin ^{2} \theta \cos ^{2} \theta+\cos ^{4} \theta=1$$
Analytic Trigonometry
Verifying Trigonometric Identities
Verify the identity. $$ \sin ^{4} \theta-\cos ^{4} \theta=\sin ^{2} \theta-\cos ^{2} \theta $$
Trigonometric Identities
Verify the identity $(\sin \theta+\cos \theta)^{2}+(\sin \theta-\cos \theta)^{2}=2$.
Additional Topics in Algebra
Mathematical Induction
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD