ConceptTrigonometric Ratios of Some Specific Angles

#### My Profile

My Profile [view full profile]

why create a profile on shaalaa.com?

1. Inform you about time table of exam.

2. Inform you about new question papers.

3. New video tutorials information.

1. Inform you about time table of exam.

2. Inform you about new question papers.

3. New video tutorials information.

clickto share

#### Question

State whether the following are true or false. Justify your answer.

The value of cos θ increases as θ increases

#### Solution

You need to to view the solution

Is there an error in this question or solution?

#### Similar questions

An equilateral triangle is inscribed in a circle of radius 6 cm. Find its side.

If θ is an acute angle and sin θ = cos θ, find the value of 2 tan^{2} θ + sin^{2} θ – 1

Evaluate the following

`(cos 45°)/(sec 30° + cosec 30°)`

State whether the following are true or false. Justify your answer

sinθ = cos θ for all values of θ

Evaluate the following expression:

(i) `tan 60º cosec^2 45º + sec^2 60º tan 45º`

(ii) `4cot^2 45º – sec^2 60º + sin^2 60º + cos^2 90º.`