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SonuNewbie

Asked: August 10, 2021In: NCERT Class 9th Maths

Show that in a right-angled triangle, the hypotenuse is the longest side.Q.1

Sir please help me to solve the ncert class 9th solution of chapter triangles.How I solve this question of exercise ...Read more

mehakNewbie

Asked: June 17, 2023In: CBSE

6. 5 books and 7 pens together cost ₹ 79, whereas 7 books and 5 pens together cost ₹ 77. Find the total cost of 1 book and 2 pens.

Form the equations of the above questions. Class 10th rd sharma pair of linear equations in two variables.

mehakNewbie

Asked: July 13, 2023In: CBSE

15. The angle of elevation of the top of a tower as observed from a point in a horizontal plane through the foot of the tower is 32°. When the observer moves towards the tower a distance of 100 m, he finds the angle of elevation of the top to be 63°. Find the height of the tower and the distance of the first position from the tower. [Take tan 32° = 0.6248 and tan 63° = 1.9626]

Answer the following questions, using trigonometry rules. Class 10th CBSE, Rd Sharma, some applications of trigonometry

deepaksoniGuru

Asked: March 8, 2021In: ICSE

Salman buys 50 shares of face value Rs 100 available at Rs 132. (i) what is his investment? (ii) If the dividend is 7.5% p.a., what will be his annual income? (iii) If he wants to increase his annual income by Rs 150, how many extra shares should he buy?

an important question from the book -ML aggarwal( avichal publication)class 10th , chapter3, shares and dividends …….. Salman buys 50 shares ...Read more

deepaksoniGuru

Asked: March 11, 2021In: ICSE

An electric pole is 10 metres high. If its shadow is 10√3 metres in length, find the elevation of the sun.

sir this is the question from the book -ML aggarwal( avichal publication) class 10th , chapter20 , heights and distances we ...Read more

deepaksoniGuru

Asked: March 11, 2021In: ICSE

The angles of depression of the top and the bottom of an 8 m tall building from the top of a multi-storeyed building are 30 and 45 respectively. Find the height of tire multi-storeyed building and the distance between the two buildings, correct to two decimal places.

sir this is the important question from the book -ML aggarwal( avichal publication) class 10th , chapter20 , heights and ...Read more

deepaksoniGuru

Asked: March 16, 2021In: ICSE

(i) (sin θ + cos θ) (sec θ + cosec θ) = 2 + sec θ cosec θ (ii) (cosec A – sin A) (sec A – cos A) sec2A = tan A

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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Discy Latest Questions

Show that in a right-angled triangle, the hypotenuse is the longest side.Q.1

6. 5 books and 7 pens together cost ₹ 79, whereas 7 books and 5 pens together cost ₹ 77. Find the total cost of 1 book and 2 pens.

Salman buys 50 shares of face value Rs 100 available at Rs 132. (i) what is his investment? (ii) If the dividend is 7.5% p.a., what will be his annual income? (iii) If he wants to increase his annual income by Rs 150, how many extra shares should he buy?

An electric pole is 10 metres high. If its shadow is 10√3 metres in length, find the elevation of the sun.

The angles of depression of the top and the bottom of an 8 m tall building from the top of a multi-storeyed building are 30 and 45 respectively. Find the height of tire multi-storeyed building and the distance between the two buildings, correct to two decimal places.

(i) (sin θ + cos θ) (sec θ + cosec θ) = 2 + sec θ cosec θ (ii) (cosec A – sin A) (sec A – cos A) sec2A = tan A