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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 15, 2021In: ICSE

If A is an acute angle and sec A = 17/8, find all other trigonometric ratios of angle A (using trigonometric identities).

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Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities If A is an acute angle and sec A = 17/8, ...Read more

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deepaksoniGuru

Asked: March 15, 2021In: ICSE

. If A is an acute angle and sin A = 3/5, find all other trigonometric ratios of angle A (using trigonometric identities).

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Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities Chapter number-18 If A is an acute angle and sin A ...Read more

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Rajan@2021Guru

Asked: March 15, 2021In: ICSE

The first & the last term of an A.P are 17 & 350 respectively. If the C.d is 9 how many terms are there & what is their sum?

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The first & the last term of an A.P are 17 & 350 respectively. If the C.d is 9 how ...Read more

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deepaksoniGuru

Asked: March 11, 2021In: ICSE

From the top of a building 20 m high, the angle of elevation of the top of a monument is 45 and the angle of depression of its foot is 15. Find the height of the monument.

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

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deepaksoniGuru

Asked: March 11, 2021In: ICSE

A vertical pole and a vertical tower are on the same level ground. From the top of the pole the angle of elevation of the top of the tower is 60 and the angle of depression of the foot of the tower is 30. Find the height of the tower if the height of the pole is 20 m.

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

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deepaksoniGuru

Asked: March 11, 2021In: ICSE

A pole of height 5 m is fixed on the top of a tower. The angle of elevation of the top of the pole as observed from a point A on the ground is 60 and the angle of depression of the point A from the top of the tower is 45. Find the height of the tower. (Take √3 = 1.732)

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

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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.

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

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deepaksoniGuru

Asked: March 11, 2021In: ICSE

The angle of elevation of the top of an unfinished tower at a point distant 120 m from its base is 45. How much higher must the tower be raised so that its angle of elevation at the same point may be 60?

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

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deepaksoniGuru

Asked: March 11, 2021In: ICSE

In the adjoining figure, the shadow of a vertical tower on the level ground increases by 10 m, when the altitude of the sun changes from 45 to 30. Find the height of the tower and give your answer, correct to 1/10 of a metre.

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

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