Trigonometry One Shot | Class 10 Maths Trigonometry NCERT Solution By Ushank Sir Science and Fun 

29:54 cos c = 7/25 31:48 some people have curly black hair turns brown 40:00 Sin θ- 5/13 Cos θ- 12/13 Tan θ- 5/12 Cosec θ-13/5 Sec θ-13/12/ Cot θ-12/5 50:36 (ii) ans 0

1:53:18 sir this question can also be done by RHS- Rationalise it Apply identify at denominator Cancel Take LCM =LHS Solving- Take RHS =Sin²A/1-cos²A*1+cos /1+cosA =Sin²A(1+cosA)/1-cos²A =Sin²A(1+cosA)/sin²A =1+cosA =1+1/secA =1+secA/secA =RHS Hence proved Please reply Thanks

50:44 ans ii is 0

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(P)akistan (B)hukha (P)yasa (H)industan (H)ara (B)hara

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(S) ome - (P) eople / (H) have (C) urly - (B) rown / (H) air (T) ill - (P) ainted / (B) lack

47:25 sir yaha prr LHS = RHS KISE HUA ?? 47:29

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*Abbreviation- Some(sin) people (p) have(h) Curly (cos) black(b) hair(h) Turns(tan) permanantly(p) black(b)❤

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47:35 LHS IS NOT = TO RHS

Sin theta 5/13 Cos theta 12/13 Tan theta 5/12 Cosec theta 13/5 Sec theta 13/12 Cot theta 12/5 All trigonometric ratio of q5 ex 8.1

Sin Q = 5/13 Cos Q = 12/13 Tan Q = 5/12 Cosec Q = 13/15 Cot Q = 12/5 Sir solution done ✅

1:18:12

Pakistan(P) bhukha(B) pysa(P) Hindustan(H) Hara(H) bhra (b) Sin theta =P/H cos =B/H tan=P/B 😅😅

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50:35 value of cosA cosC - sinA sinC is 0

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39:56 Sinθ= 5/13 Cosθ=12/13 Tanθ=5/12

29:35 AB is perpendicular

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40:00 sin=5/13 cos=12/13 tan=5/12 cosec=13/5 cot=12/5

Sir 47:34 me LHS=RHS nahi hua . question me + - upar niche ho gya hai.

My words after this session--------------------❤

Bhai sab tak har kar aaya tha sare questions sir ne ekdam easy se samjha hai salut hai sir. Ko❤❤

29:41 - CosC: 7/25 39:55 - Sin tetha : 5/13 Cos tetha : 12/13 Tan tetha : 5/12 Cot tetha : 12/5 Cosec tetha :13/5 50:38 - Answer is 0

29:50 CosC = 7/25

Sin Q = 5/13 Cos Q = 12/13 Tan Q = 5/12 Cosec Q = 13/5 Sec Q = 13/12 Cot Q = 12/5

1:07:52 imp calculation

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50:42 ii) COS A cos C - sin A sin C = 0

1:17:16 Sin 30°

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2:04:14 more easy way :- Just use the identity "cos2 = 1 - sin2" in both numerator n denominator than the equation becomes :- "1 - sin2 - sin2 / 1 - sin2 / 1 - cos2 - cos2 / 1 - cos2" than easily cut 1 - sin2 and 1 - cos2 n the final ans u get is = sin2 / cos2 = tan2.. XD

Question for hw which had to be written in comment section Sin theta-5/13 Cos thetha -12/13 Tan theta-5/12 Cosec thetha-13/5 Cot thetha-12/5

50:37 (1) 1 ANS (2) 0 ANS

thank u so much sirr.. apke sath sath prove karne ke baat thoda confidence aaya!!

Request to youtube to keep this video at top not at last..... I found this video after 10 minutes of scrolling down❤😢

13²=12²+P² 169-144=P² 25=P² P=5 Sin 5/13 Cos 12/13 Tan 5/12 Cosec 13/5 Sec 13/12 Cot 12/5

1:46:31

At 47:23 sir LHS is not equal to RHS as at LHS we got 25/7 and at RHS we got 7/25, so how come they are equal then ?!

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29:50 cos c = 7/25

50:43 0

47:32 sir LHS = RHS KAISE HUA

50:42 cosA cosC - sinA sinC =0

Smart work is the key to success

50:44 answer is 0

Ex 8.1 questions 1part 2 ans cos c 7/25

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This video is very helpful One of the best one shot for trigonometry 😊

1:51:06. Desi jugaad💪💪💪💪

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1:49:46

best explanation 👌 👌❤❤❤❤❤ 52:16

1:50:54 change them into sec theta

29:50 7/25=Cos C

SIMPLIFICATION AUKAT ANUSAR WAS EPIC 😂😂😂😂😂😂😂

best explanation 👌 55:55

25:43 [3 sides]

👍 9:37

sir ye lecture itna acha laga ha meri jitni bhi problems thi trigonometry ki vo sari katam ho gayi aur sir aap ne jo ye chapter explain kara ha vo bohot badiya ha Thanku so much sir 😊😊

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Sir please video ki quality/resolution badhao mujhe thik se nahi diktha ha

31:41 some people have curly black hair turning permanently black cause hair product have bad burning properties

29:56 / 2:24:17 cos c 7/25

Pakistan Bhukha Pyasa / Hindustan Hara Bhara = PBP/HHB

THIS WAS EPIC AND AMAZING 😂😂😂😂😂😂😂 45:40

50:42 answer is 0

50:37 0 answer ii)

Very nice teaching

29:53 cos C 7/25

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👍 1:47:39

1:07:28 🖐

29:50 7/25

Thank you sir 😊

Hlo trigonometry full chapter guranntty

1:09:58

1:00:20 table to remember

39:55 ans = sinA = 5/13,cosA = 12/13, cosecA = 13/5, tan A = 5/12 ,cot A =12/5 . Am i right sir ✌💕😇

40:00 sin=5/13 ,cos=

1:34:40 Sir for tht question I got answer "1/cos2 - sin2" btw tht 2 is square just in case 😂

7/25 29:53

26:54 Experience bolta hai😂😂

Cos A Cos C - Sin A Sin A = 0

29:38 AB

29:54 Ans cos C 7/25

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Today is a learner Tomorrow is a leader

1:35:23 question is not wrong Answer is sec^2A

50:41 ans 0

Work smarter ,not harder 💪💙🔥😈