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CBSE Class 10 Answered

Trigonometric identities
Asked by | 25 Feb, 2008, 04:19: PM
Expert Answer

Pls specify what is your question in trigonometric Identities.

Answered by | 25 Feb, 2008, 05:13: PM

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CBSE 10 - Maths
Two buildings face each other. The height of one building is greater than that of the other. The smaller building is 80 m high. The angles of depression of the top and the bottom of the smaller building from the top of the taller building are 45º and 60º respectively. Find the height of the taller building.
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The angle of elevation of the top of a tower from two points distant s and t from its foot are complementary. Prove that the height of the tower is √st.
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a person standing on the bank of a river observes that the angle subtented by a tree on the opposite bank of 60 degree. when he retreates 20m from the bank he find the angle to be 30 degree . find the height of the tree and the bradth of the river
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CBSE 10 - Maths
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CBSE 10 - Maths
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CBSE 10 - Maths
the angle of elevation of a cloud from a point h metre above a lake is theta. the angle of depression of its reflection in the lake is 45 degree. Find the height of the cloud
Asked by arindeep.singh | 11 Sep, 2020, 02:41: PM
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