Question
Simplify the expression.$$\frac{\tan (A+2 B)-\tan (A-2 B)}{1+\tan (A+2 B) \tan (A-2 B)}$$
Step 1
Step 1: Recognize the given expression as the formula for $\tan(A-B)$, which is $\frac{\tan A - \tan B}{1 + \tan A \tan B}$. Show more…
Show all steps
Your feedback will help us improve your experience
Subhadeepta Sahoo and 51 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
Simplify each expression. $$\frac{\tan ^{2} x-2 \tan x+1}{1+\tan (-x)}$$
Trigonometric ldentities and Conditional Equations
Verifying Identities
Verify each identity. $$ \tan (A+B)=\frac{\tan A+\tan B}{1-\tan A \tan B} $$
Trigonometric Identities And Equations
Angle Identities
$\frac{a+b}{a-b}=\tan \frac{A+B}{2} \cot \frac{A-B}{2}$
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD