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Trigonometry Questions : Part 1 (in Hindi)
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In this lesson, Devendra will discuss important concepts and questions on Trigonometry.

Devendra vmentor
Author of 3 books on Arithmetic, Advanced Maths & English Grammar. Cleared CSE (pre) / SSC-CGL / SBI PO / IBPS PO.

U
excelent work sir
Mahesh Verma
a year ago
thankx alot
hi ji can u write in english
Dinesh Verma
1. Trigonometry for Each and Every Exam FOR SSC CGL, CSAT, RAILWAY CO -Presented by Devendra (VMentor)

2. About Me B. Tech + M. Tech (IIT Bombay) 2yearteaching experience (Quant + Reasoning) g) Cleared SCC CGL, SBI PO, lBPS PO, AFCAT go Love YouTube, Mus so Published 3 Books (Arithmetic, Advance Maths, English Grammar) Follow @ :-https://unacademy.com/user/Devendra.Meena unacademy ic. Sports, Teaching Rate, Review and Recommend s Share

3. Trigonometry for Each and Every Exam Complementary angles sin = cos (90 - ) cos = sin (90 -0) tan = cot (90 - ) 30 45 60 90 sin 0 cos 0 sin tan = Not cos tan defined 0 Not cot = cos Not defined sin cot sin2 + cos 2 = 1 sec defined tan"6 + 1 = sec cosec | defined Not 22

4. 8 90-A sinA sec C9o-A) COSA Coec (9o-A) COS A Sec A cos A

5. Sin * 2 CoS

6. cot so. 'cah a ? A+8 go cot(9o-46).cot a tan

7. am 4 0m4S