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deepaksoniGuru

Asked: March 16, 2021In: ICSE

(i) cosec6 A – cot6 A = 3 cot2 A cosec2 A + 1 (ii) sec6 A – tan6 A = 1 + 3 tan2 A + 3 tan4 A

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

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deepaksoniGuru

Asked: March 16, 2021In: ICSE

A two digit positive number is such that the product of its digits is 6. If 9 is added to the number, the digits interchange their places. Find the number.

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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 16, 2021In: ICSE

The age of a man is twice the square of the age of his son. Eight years hence, the age of the man will be 4 years more than three times the age of his son. Find the present age.

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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 18, 2021In: ICSE

If x + 5 is the mean proportion between x + 2 and x + 9, find the value of x.

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

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deepaksoniGuru

Asked: March 19, 2021In: ICSE

If x+y/ax+by=y+z/ay+bz=z+x/az+bx , prove that each of these ratio is equal to 2/a+b unless x + y + z = 0

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exam oriented an important question from ML aggarwal, class 10th, chapter 7, ratio and proportion, Avichal publication In this question ques ...Read more

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deepaksoniGuru

Asked: March 26, 2021In: ICSE

Question 14. In the adjoining figure, O is the centre of the given circle and OABC is a parallelogram. BC is produced to meet the circle at D. Prove that ∠ABC = 2 ∠OAD.

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

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deepaksoniGuru

Asked: March 31, 2021In: ICSE

Question 15. (a) Prove that a cyclic parallelogram is a rectangle. (b) Prove that a cyclic rhombus is a square.

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

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(i) cosec6 A – cot6 A = 3 cot2 A cosec2 A + 1 (ii) sec6 A – tan6 A = 1 + 3 tan2 A + 3 tan4 A

A two digit positive number is such that the product of its digits is 6. If 9 is added to the number, the digits interchange their places. Find the number.

The age of a man is twice the square of the age of his son. Eight years hence, the age of the man will be 4 years more than three times the age of his son. Find the present age.

If x + 5 is the mean proportion between x + 2 and x + 9, find the value of x.

If x+y/ax+by=y+z/ay+bz=z+x/az+bx , prove that each of these ratio is equal to 2/a+b unless x + y + z = 0

Question 14. In the adjoining figure, O is the centre of the given circle and OABC is a parallelogram. BC is produced to meet the circle at D. Prove that ∠ABC = 2 ∠OAD.

Question 15. (a) Prove that a cyclic parallelogram is a rectangle. (b) Prove that a cyclic rhombus is a square.