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deepaksoniGuru

Asked: March 15, 2021In: ICSE

(i) cosec4 θ – cosec2 θ = cot4 θ + cot2 θ (ii) 2 sec2 θ – sec4 θ – 2 cosec2 θ + cosec4 θ = cot4 θ – tan4 θ.

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

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deepaksoniGuru

Asked: March 16, 2021In: ICSE

Sum of two natural numbers is 8 and the difference of their reciprocal is 2/15. Find the numbers.

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This ques 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

A trader buys x articles for a total cost of Rs. 600. (i) Write down the cost of one article in terms of x. If the cost per article were Rs. 5 more, the number of articles that can be bought for Rs. 600 would be four less. (ii) Write down the equation in x for the above situation and solve it to find x.

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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

Find the fourth proportional to (i) 3, 12, 15 (ii) 1/3, 1/4, 1/5 (iii) 1.5, 2.5, 4.5 (iv) 9.6 kg, 7.2 kg, 28.8 kg

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This is a basic question from ML aggarwal book of class 10th, chapter 7, ratio and proportion., ICSE board In this ...Read more

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deepaksoniGuru

Asked: March 19, 2021In: ICSE

Solve (1+x+x2) /(1−x+x2) =62(1+x)/63(1−x)

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

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deepaksoniGuru

Asked: March 26, 2021In: ICSE

Question 9. (a) In the figure (i) given below, chord ED is parallel to the diameter AC of the circle. Given ∠CBE = 65°, calculate ∠DEC.

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

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deepaksoniGuru

Asked: April 15, 2021In: ICSE

Question 21. (a) In the figure (i) given below, PQ is a tangent to the circle at A, DB is a diameter, ∠ADB = 30° and ∠CBD = 60°, calculate (i) ∠QAB (ii) ∠PAD (iii) ∠CDB.

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

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(i) cosec4 θ – cosec2 θ = cot4 θ + cot2 θ (ii) 2 sec2 θ – sec4 θ – 2 cosec2 θ + cosec4 θ = cot4 θ – tan4 θ.

Sum of two natural numbers is 8 and the difference of their reciprocal is 2/15. Find the numbers.

Find the fourth proportional to (i) 3, 12, 15 (ii) 1/3, 1/4, 1/5 (iii) 1.5, 2.5, 4.5 (iv) 9.6 kg, 7.2 kg, 28.8 kg

Solve (1+x+x2) /(1−x+x2) =62(1+x)/63(1−x)

Question 9. (a) In the figure (i) given below, chord ED is parallel to the diameter AC of the circle. Given ∠CBE = 65°, calculate ∠DEC.

Question 21. (a) In the figure (i) given below, PQ is a tangent to the circle at A, DB is a diameter, ∠ADB = 30° and ∠CBD = 60°, calculate (i) ∠QAB (ii) ∠PAD (iii) ∠CDB.