Algebra and trigonometry bsc 1st year mathslighthouse | Trigonometry bsc | Sine, cosine, formula

Algebra and trigonometry bsc 1st year mathslighthouse | Trigonometry bsc | Sine, cosine, formula

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tag 📌:- If in triangle ABC, a = 4, b = 2 and B = 30 then find A,
If angles of a triangle ABC are in ratio 2:3:7, show that a:b:c = √2:2:(√3 + 1),
Show that the triangle having sides 3, 5 and 7 is an obtused angled triangle. Also find the obtuse angle,
If in a triangle ABC, a = 3, b = 5 and c = 7. Find the greatest angle,
If a triangle ABC, prove that c - b cos A / b - ccos A = CosB / CosC
If sides of a triangle are 2x +1, x^2 -1 and x^2 + x + 1, find the greatest angle
The sides of a triangle are 8cm, 10cm and 12cm. Prove that the greatest angle is double the smallest angle
If in triangle ABC, b+c/11 = c+a/12 = a+b/13 then show that CosA/7 = CosB/ 19 = CosC/25
In triangle ABC prove that a(SinB - SinC) + b(SinC - SinA) + c( SinA - SinB) = 0,

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[Samar_Sarari]

Thanks you so much sir ji all doubts Cristal clear 💖💖💖💖

[RadhikaDhamija-gzkt]

Sir next chapter linear equations....only Alag alg type ke 5 ques krvado boht h