# Trigonometry

## People speak for **trigonometry**

http://qna.rediff.com/questions-and-answers/can-anyone-give-me-some-pre-calculus-help-/27105311/answers/

**Q.** If sine zero is zero why cos zero is one ?

Lini:

** A.** Pre-calculus is mostly a reiteration of all the non-arithmetic math that you've already taken. It's a refresher course meant to better prepare you......

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http://qna.rediff.com/questions-and-answers/if-sine-zero-is-zero-why-cos-zero-is-one-/26637867/answers/27105381

**Q.** I want to know the value in trigonometry ratio like sin(90-A) = cosA then sin(90 plus A) =?

Amrish Goel:

** A.** it is trigonometry !!

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http://qna.rediff.com/questions-and-answers/i-want-to-know-the-value-in-trigonometry-ratio-like-sin90-a-/26179327/answers/26637916

**Q.** Don't you think all the mathematics we learned is now only used in tax and investment calculations ?

Shatabdi Express:

** A.** Liked ur aspiration to learn. There is a search machine called "google" where u can find answer for any kind of Qs.

more
http://qna.rediff.com/questions-and-answers/dont-you-think-all-the-mathematics-we-learned-is-now-only-us/25858679/answers/26179333

Web results for **Trigonometry**

Maths Teachers to Prep for New Text, Turn StudentsBANGALORE: Newly-framed mathematics textbooks have forced high school teachers in state syllabus schools to brush up their knowledge of... ...

http://www.newindianexpress.com/cities/bangalore/Maths-Teachers-to-Prep-for-New-Text-Turn-Students/2014/07/21/article2341562.ece
1729 reasons to read thisBefore the release of Ramanujan, the eponymous commercial Tamil film on the renowned mathematical genius --- we use the term in its true sense... ...

http://newstodaynet.com/article/1729-reasons-read
Syllabus and paper patternIndiaToday.in New Delhi,July 14, 2014| UPDATED17:16 IST The application process for UPSC's NDA/ NA (II) exam is open till July 21, 2014.... ...

http://indiatoday.intoday.in/story/upsc-nda--na-ii-2014-syllabus-and-paper-pattern/1/371221.html
Maths teachers struggle with an unsolved problemRevised 10th Std. textbook goes beyond its follow-the-CBSE mandate; errors add to woes; experts suggest simplification It is generally students... ...

http://www.bangaloremirror.com/bangalore/others/textbook-CBSE-mandate-classroom-Mathematics-CBSE-syllabus-CCE-syllabus-committee-illustrations-Education-Department/articleshow/37915421.cms
Ek Villain ReviewStar cast: Sidharth Malhotra, Riteish Deshmukh, Shraddha Kapoor, Kamaal Rashid Khan, Aamna Sharif, Shaad Randhawa, Remo Fernandes Rating: 4/5 Stars... ...

http://www.apnnews.com/2014/06/27/ek-villain-review/