Trigonometry | Basic Mathematics Used In Physics - L1 (Concepts) | NEET Physics

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✅ In this video,

✔️ Course: NEET
✔️ Subject: NEET - Physics
✔️ Chapter: Basic Mathematics Used In Physics
✔️ Topic Name: Trigonometry | Basic Mathematics Used In Physics - L 1 (Concepts & Numericals) | NEET Physics
✔️ Topics Covered In This Video (By Satyam Sir): Discussed lecture 1 in detail about Trigonometry from the chapter Basic Mathematics Used In Physics.
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00:00 Trigonometry Introduction - Basic Mathematics Used In Physics
08:00 Angle - Basic Mathematics Used In Physics
11:50 Radian - Basic Mathematics Used In Physics
19:17 Important Question - Basic Mathematics Used In Physics
25:00 Trigonometric Ratios - Basic Mathematics Used In Physics
31:15 Important Question of Trigonometric Ratios - Basic Mathematics Used In Physics
36:53 Quadrants and ASTC Rule - Basic Mathematics Used In Physics
42:18 Trigonometric Ratios of General Angles - Basic Mathematics Used In Physics
01:12:05 Range of Trigonometric Functions - Basic Mathematics Used In Physics
01:12:41 Small Angle Approximation - Basic Mathematics Used In Physics
01:19:47 Trigonometric Formulae - Basic Mathematics Used In Physics
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[jaredjonas]

10:10 Clockwise (-ve theetha) & Vice versa
12:04 1 Radian= 180'/π
13:36 Teetha = Arc/Radius
15:25 Angle answer Radian or Degree?
17:22 1 Radian = 57.3'
19:15 Question
21:20 Clock Question
26:42 Theetha Opposite = perpendicular
27:46 Some People Have Currly Black Hair Through Proper Brushing
29:53 Opposite of SIN COS TAN
31:09 Learn Pythagorean Identities
31:16 Question
35:04 Learn the Table
36:50 All(all) Silver(sin cosec) Tea(tan cot) Cup(cos sec) ASTC Rule
43:10 Reduction Formula *
49:20 Example of Reduction Formula
50:38 Reduction Formula With -ve Sign
58:00 Odd Reduction Formula
01:04:00 Negative Angle
01:08:00 Ratio Table
01:09:25 Questions
01:12:10 Range of Trigno Function
01:12:46 Small Angle approximation
01:20:00 Learn Formula
01:23:50 Another Formula
01:24:15 Sine Cosine Formula of Triangle

[gautamgiri]

I was studying with Magnet Brains from 9th and now I have been promoted from Magnet Brains to Magnet Brains IIT-JEE & NEET 🥳

[bhavygames]

1:11:40 cos 120 = cos (90 +30) and a/c to rule it will be -sin 30 or -1/2 thank you so much magnet brains ♥️♥️

[khushirani]

1:11:46 Homework ques
Cos 120°
Cos (90+30)
Cos (π/2 + 30)
Here n=1 i.e. odd
So we will change it into its co function
And it lies in 2nd quadrant, so it will be negative
So
Cos (π/2 + 30)
= - Sin 30°
= -(1/2)

Thank you sir.. Lecture was amazing.. 🤗🤗

[saurabjain]

Sir kya kamaal ke teacher ho aap mtlb maza aa jata hai aap best teacher ho aaj ke generation mai 😃😃

[mymuna]

"When you say" ap un baccho ka socho jinko kuch nahi pata😥😥 thanku soo much sir❤❤

[sonalisahu]

best video ever sir mere pass allen ki book thi pr mujhe smjhne wla koi tha ni apke lectures pure same hai mera dil khush hpgya meri dua hai apki sari manokamna puri ho ap bhut khush rho ur sri wishesapki puri ho dreams also

[indianfortniteplayer]

Sir you taught very wonderfully every topic of basic maths (trignomatery)

[alokpandey]

1:11:54 answer cos120° = 90 +30 which lies in second quadrant and here cos will be negative according to ASTC rule and it is odd one so cos change into co function and result will be -sin 30°

[mohitjha]

1:11:40
HOMEWORK QUESTION
Cos 120° = cos {π÷2+30)
Here n=1 which is odd so we will change it into its co function
Answer is (-sin30°)

[dr.sunshine]

1:11:43
Sir, here's the answer to the homework question:-
cos(120degree)
=cos(90+30)
=cos(pi/2+30)
=-sin30
=-1/2
Session was helpful!🙏
Thank you so much!🙏

[Apronmedico]

Thank you so much sir for free quality education

[sk]

At 1:19:31 sir said that first one would be correct if we wrote 1
But second would be incorrect if we wrote 2
But after calculation the ans is coming 2

[shefanalfaizmansuri]

cos 120 degree
answer : Cos ( 180-60) : -cos 60
Cos 60 value is 1/2
And our ans is -1/2

[manojlambat]

Sir 1:06:33 in this
The value of n will always be positive so it will never change to its Co function .

[abdulkalamsir]

Very true About Quality teaching of magnet brains .

[maheshshejwal]

Wow love it sir...I love your teaching style very much...🥰😘😘😍
Sir I very week in maths from 1 to 10th ...but now I found ur class sir plz keep it....

[fun_with_youth]

Sir you all are great teachers I'm following mb for class 9th and I'm glad to be a part of magnet brains thanks to magnet brain

[punampandey]

Homework question
(iv) cos 120° = cos (π/2 + 30°)
= -sin 30°

[kattar.Hindu-]

Thank you sir for 100% free education 🙏🙏