Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and the Yahoo Answers website is now in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

Lv 1220 points

Jahidul Islam

Favorite Answers9%
Answers46

  • trigonometry angle transformation formulas memorization tricks?

    please tell me, how can i memorize this laws and the rest made from them.

    sin(A+B)= sinA.cosB + cosA.sinB

    sin(A-B)= sinA.cosB - cosA.sinB

    tan(A+B)= (tanA + tanB)/(1-tanA.tanB)

    tan(A-B) = (tanA - tanB)/(1+ tanA.tanB)

    3 AnswersMathematics8 years ago

  • I dont want curl hair.help?

    I'm neither black nor white. I'm from Bangladesh. It's near India in Asia. so i'm an origin of there. My hair is getting curl day by day. I don't want hair treatment cause it may damage my hair. any medicine to solve this problem?

    4 AnswersHair8 years ago