If then let us write by calculating, the value of cos C × cosec C.

If cos θ = 0.6, then let us show that, (5 sin θ – 3 tan θ) = 0.

If cot then let us determine the values of cos A and cosec A and show that 1 + cot² A = cosec²A.

Let us write with reason whether the following statements are true or false :

i. The value of tan A is always greater than 1.

ii. The value of cot A is always less than 1.

iii. For an angle θ, it may be possible that

iv. For an angle α, it may be possible that,

v. For an angle β (Beta) it may be possible that,

vi. For an angle θ, it may be possible that,

In the window of our house, there is a ladder at an angle of 60^o with the ground. If the ladder is 2√3m. long, then let us write by calculating with figure, the height of our window above the ground.