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deepaksoniGuru

Asked: March 15, 2021In: ICSE

Express the ratios cos A, tan A and sec A in terms of sin A.

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This ques is from ML Aggarwal book, Avichal publication, class 10th. Chapter 18, trigonometric identities Express the ratios cos A, tan A ...Read more

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deepaksoniGuru

Asked: March 16, 2021In: ICSE

If x – a sec θ + b tan θ and y = a tan θ + b sec θ, prove that x2 – y2 = a2 – b2.

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This is an important question from the Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities Chapter number-18 If x ...Read more

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deepaksoniGuru

Asked: March 16, 2021In: ICSE

The hypotenuse of grassy land in the shape of a right triangle is 1 metre more than twice the shortest side. If the third side is 7 metres more than the shortest side, find the sides of the grassy land.

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This question has been taken from Book:- ML aggarwal, Avichal publication, class10th, quadratic equation in one variable, chapter 5, exercise ...Read more

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deepaksoniGuru

Asked: March 17, 2021In: ICSE

Find the sub-triplicate ratio of (i) 1: 216 (ii) 1/8: 1/125 (iii) 27a3: 64b3

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Question no6. From ML aggarwal book, class10, chapter 7, ratio and proportion We have been given the ratio in the form ...Read more

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deepaksoniGuru

Asked: March 18, 2021In: ICSE

If a/b = c/d = e/f prove that: (i) (b2 + d2 + f2) (a2 + c2 + e2) = (ab + cd + ef)2

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This is an important ques from the Book ML Aggarwal class 10th,, chapter – 7, ratio and proportion. It is given ...Read more

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deepaksoniGuru

Asked: March 25, 2021In: ICSE

If O is the centre of the circle, find the value of x in each of the following figures (using the given information):

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This is circle based question from Chapter name- circles Topic – Angle properties of circles Chapter number- 15 In this question ...Read more

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deepaksoniGuru

Asked: March 26, 2021In: ICSE

Ques 19(b) In the figure (ii) given below, the diagonals of a cyclic quadrilateral ABCD intersect in P and the area of the triangle APB is 24 cm². If AB = 8 cm and CD = 5 cm, calculate the area of ∆DPC.

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This is the basic and conceptual question from Chapter name- circles Topic – Angle properties of circles Chapter number- 15 We ...Read more

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Express the ratios cos A, tan A and sec A in terms of sin A.

If x – a sec θ + b tan θ and y = a tan θ + b sec θ, prove that x2 – y2 = a2 – b2.

The hypotenuse of grassy land in the shape of a right triangle is 1 metre more than twice the shortest side. If the third side is 7 metres more than the shortest side, find the sides of the grassy land.

Find the sub-triplicate ratio of (i) 1: 216 (ii) 1/8: 1/125 (iii) 27a3: 64b3

If a/b = c/d = e/f prove that: (i) (b2 + d2 + f2) (a2 + c2 + e2) = (ab + cd + ef)2

If O is the centre of the circle, find the value of x in each of the following figures (using the given information):

Ques 19(b) In the figure (ii) given below, the diagonals of a cyclic quadrilateral ABCD intersect in P and the area of the triangle APB is 24 cm². If AB = 8 cm and CD = 5 cm, calculate the area of ∆DPC.