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Choose the correct option and justify your choice: 1+tan^2 30 degree /2 tan 30 degree Choose the correct option and justify your choice: 1+tan^2 30 degree /2 tan 30 degree October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,

Evaluate the following: (iv) (sin 30 + tan 45 – cosec 60) / (sec 30 + cos 60 + cot 45) Evaluate the following: (iv) (sin 30 + tan 45 - cosec 60) / (sec 30 + cos 60 + cot 45) October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , [...]

A light inextensible string that goes over a smooth fixed pulley as shown in the figure connects two blocks of masses 0.36 kg and 0.72 kg. Taking g = 10 m/s^2, find the work done (in joules) A light inextensible string that goes over a smooth fixed pulley as shown in the figure connects two [...]

Evaluate the following : (iii) cos45 degree / (sec30 degree + cosec30 degree) Evaluate the following : (iii) cos45 degree / (sec30 degree + cosec30 degree) October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,

Evaluate the following: (ii) 2tan^2 45° + cos^2 30° − sin^2 60° Evaluate the following: (ii) 2tan^2 45° + cos^2 30° − sin^2 60° October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,

A particle of unit mass is moving along the x axis under the influence of a force and its total energy is conserved. Four possible forms of the potential energy of the particle are given in column 1 A particle of unit mass is moving along the x axis under the influence of a force [...]

Two blocks A and B, each of mass m, are connected by a massless spring of natural length L and spring constant k. The blocks are initially resting on a smooth horizontal floor with the spring are connected by a massless spring of natural length L and spring constant k. The blocks are initially resting [...]

Evaluate the following: (i) sin60° cos30° + sin30° cos 60° Evaluate the following: (i) sin60° cos30° + sin30° cos 60° October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,

State whether the following are true or false. justify your answer. State whether the following are true or false. justify your answer. October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,

A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. [...]