SSLC (English Medium) Class 9 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Mathematics

Write down the abscissa and ordinate of the following.

P

Write down the abscissa and ordinate of the following.

Q

Write down the abscissa and ordinate of the following.

R

Write down the abscissa and ordinate of the following.

S

Plot the following points in the coordinate plane and join them. What is your conclusion about the resulting figure?

(−5, 3) (−1, 3) (0, 3) (5, 3)

Plot the following points in the coordinate plane and join them. What is your conclusion about the resulting figure?

(0, −4) (0, −2) (0, 4) (0, 5)

Plot the following points in the coordinate plane. Join them in order. What type of geometrical shape is formed?

(0, 0) (−4, 0) (−4, −4) (0, −4)

Plot the following points in the coordinate plane. Join them in order. What type of geometrical shape is formed?

(−3, 3) (2, 3) (−6, −1) (5, −1)

If the y-coordinate of a point is zero, then the point always lies ______

On plotting the points O(0, 0), A(3, 0), B(3, 4), C(0, 4) and joining OA, AB, BC and CO which of the following figure is obtained?

If P(−1, 1), Q(3, −4), R(1, −1), S(−2, −3) and T(−4, 4) are plotted on a graph paper, then the points in the fourth quadrant are __________

Find the value of the following:

`((cos 47^circ)/(sin 43^circ))^2 + ((sin 72^circ)/(cos 18^circ))^2 - 2cos^2 45^circ`

Find the value of the following:

`(cos 70^circ)/(sin 20^circ) + (cos 59^circ)/(sin31^circ) + cos theta/(sin(90^circ - theta))- 8cos^2 60^circ`

Find the value of the following:

tan 15° tan 30° tan 45° tan 60° tan 75°

Find the value of the following:

`cot theta/(tan(90^circ - theta)) + (cos(90^circ - theta) tantheta sec(90^circ - theta))/(sin(90^circ - theta)cot(90^circ - theta)"cosec"(90^circ - theta))`

Find the value of the following:

sin 21° 21′

If tan θ = cot 37°, then the value of θ is

The value of tan 72° tan 18° is

The value of 3 sin 70° sec 20° + 2 sin 49° sec 51° is

The value of cosec(70° + θ) – sec(20° − θ) + tan(65° + θ) – cot(25° − θ) is