UrbanPro
true

Take Class 12 Tuition from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

Proof of trig double angle formula tan ( 2A )

B.Sudhakar
31/12/2016 0 0

Now tan ( A + B ) = tan A + tan B/1— tan A tan B

Put B = A

= tan ( A + A ) = tan ( 2A )= tan A + tan A / 1 — tan A tan A

= 2 tan A / 1 — tan² A

∴ tan (2A)= 2 tan A / (1 — tan² A)

0 Dislike
Follow 0

Please Enter a comment

Submit

Other Lessons for You

Some Important Points of GST And Its Implementation.
1. GST is a transparent Tax and also reduce numbers of indirect taxes. With GST implemented a business premises can show the tax applied in the sales invoice. Customer will know exactly how much tax they...

Bills of exchange
Bills of exchange is a negotiable instrument. It is drawn by a creditor on the debtor and accepted by the debtor in writing for the amount owed by the debtor to settle it on a specific maturity date. Bills...

Biology tips for PMT
Students focus on NCERT only ... It will make you get 300+marks in biology only .. Read each n every single line from NCERT n try to make questions .. it will help you to memorize things better.. solve...
S

GST News, Notifications And Announcements
Central Tax Notifications: Composition Scheme- Notification 3 & 8/2017: Composition scheme threshold has been notified to be 75 lakhs (earlier recommended only). This will be beneficial to small...

Learning Tip
1. The foundation: a productivity systemLet’s face it, without a solid foundation there is no way you can expect to build new skills and form new habits. My first tip therefore is to adopt a productivity...
X

Looking for Class 12 Tuition Classes?

The best tutors for Class 12 Tuition Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Take Class 12 Tuition with the Best Tutors

The best Tutors for Class 12 Tuition Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more