icse Archives - Page 7 of 31

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deepaksoniGuru

Asked: March 16, 2021In: ICSE

Five times a certain whole number is equal to three less than twice the square of the number. 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

Mr. R.K. Nair gets Rs 6,455 at the end of one year at the rate of 14% per annum in a recurring deposit account. Find the monthly instalment.

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This is an important question from the Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Banking Chapter number-2 This question ...Read more

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deepaksoniGuru

Asked: March 16, 2021In: ICSE

Shahrukh opened a Recurring Deposit Account in a bank and deposited Rs 800 per month for 112 years. If he received Rs 15084 at the time of maturity, find the rate of interest per annum

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This is an important question from the Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Banking Chapter number-2 This question ...Read more

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deepaksoniGuru

Asked: March 16, 2021In: ICSE

(i) (1 + cosec A)/ cosec A = cos2 A/ (1 – sin A) (ii) root{(1-cosA/(1+cosA)} =sinA/(1+cosA)

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This question has been taken from the Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities Chapter number-18 (i) (1 + cosec A)/ cosec ...Read more

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deepaksoniGuru

Asked: March 15, 2021In: ICSE

(i) (sec A + tan A) (1 – sin A) = cos A (ii) (1 + tan2 A) (1 – sin A) (1 + sin A) = 1

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This is an important question taken from the Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities Chapter number-1 We ...Read more

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deepaksoniGuru

Asked: March 15, 2021In: ICSE

Prove that following: (i) cos θ sin (90° – θ) + sin θ cos (90° – θ) = 1 (ii) tan θ/ tan (90o – θ) + sin (90o – θ)/ cos θ = sec2 θ (iii) (cos (90o – θ) cos θ)/ tan θ + cos2 (90o – θ) = 1 (iv) sin (90o – θ) cos (90o – θ) = tan θ/ (1 + tan2 θ)

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This ques is very important and has been taken from the Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric IdentitiesRead more

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deepaksoniGuru

Asked: March 15, 2021In: ICSE

1). 2(sec2 35°- cot 2 55°) – cos 28° cosec 62°/tan 18° tan36° tan 30° tan 54° tan 72°. (ii)[cosec2 (90°- theta) – tan2 theta] / 2 (cos2 48° + cos2 42°) – 2tan2 30° sec2 52° sin2 38°/cosec2 70°- tan2 20°

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This ques is from the Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities Chapter number-18 1). 2(sec2 35°- ...Read more

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deepaksoniGuru

Asked: March 15, 2021In: ICSE

Without using trigonometric tables, evaluate the following (i) (sin 65o/ cos 25o) + (cos 32o/sin 58o) – sin 28o sec 62o + cosec2 30o (ii) (sin 29o/ cosec 61o) + 2 cot 8° cot 17° cot 45° cot 73° cot 82° – 3(sin² 38° + sin² 52°).

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This ques has been asked in 2015 so it is very important question This question is from the Book- ML AggarwalRead more

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deepaksoniGuru

Asked: March 15, 2021In: ICSE

Without using trigonometric tables, evaluate the following (6 to 10): 6. (i) cos2 26o + cos 64o sin 26o + (tan 36o/ cot 54o) (ii) (sec 17o/ cosec 73o) + (tan 68o/ cot 22o) + cos2 44o + cos2 46o

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This question is from the Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities Chapter number-18 This ques has ...Read more

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deepaksoniGuru

Asked: March 15, 2021In: ICSE

If 12 cosec θ = 13, find the value of (2 sin θ – 3 cos θ)/ (4 sin θ – 9 cos θ)

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This ques has been taken from the Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter 18th Chapter- Trigonometric Identities This has been ...Read more

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