Скачать или смотреть Trigonometry and its Applications | Exercise 8.4 Q15 NCERT Exemplar Solutions | Class 10 Maths

A ladder rests against a vertical wall at an inclination α to the horizontal. Its foot is pulled away from the wall through a distance p so that its upper end slides a distance q down the wall and then the ladder makes an angle β to the horizontal. Show that p/q = (cosβ - cosα)/(sinα - sinβ).

Exercise 8.4 Q15 NCERT Exemplar Solutions | Class 10 Maths | Trigonometry and its Applications.

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Exercise 8.4 Q15 NCERT Exemplar Solutions | Class 10 Maths | Trigonometry and its Applications.

A ladder rests against a vertical wall at an inclination α to the horizontal. Its foot is pulled away from the wall through a distance p so that its upper end slides a distance q down the wall and then the ladder makes an angle β to the horizontal. Show that p/q = (cosβ - cosα)/(sinα - sinβ).