EASY
10th CBSE
IMPORTANT
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cos A is the abbreviation used for the cosecant of angle A.

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Important Questions on Introduction to Trigonometry

EASY
10th CBSE
IMPORTANT

sec A is not defined for A=90°.

EASY
10th CBSE
IMPORTANT

cot A is not defined for A=0°.

EASY
10th CBSE
IMPORTANT

The value of sin θ increases as θ increases from 0° to 90°.

EASY
10th CBSE
IMPORTANT

The value of cos θ increases as θ increases from 0° to 90°.

EASY
10th CBSE
IMPORTANT

In the adjoining figure, ABC is a right angled triangle , right angled at B; AB=24 cm and BC=7 cm. Using the figure answer question:

The value of sin A is 

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EASY
10th CBSE
IMPORTANT

In the adjoining figure, ABC is a right angled triangle , right angled at B; AB=24 cm and BC=7 cm. Using the figure answer question:

The value of sec A is 

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EASY
10th CBSE
IMPORTANT

In the adjoining figure, ABC is a right angled triangle , right angled at B; AB=24 cm and BC=7 cm. Using the figure answer question:

The value of tan C is 

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EASY
10th CBSE
IMPORTANT

In the adjoining figure, ABC is a right angled triangle , right angled at B; AB=24 cm and BC=7 cm. Using the figure answer question:

The value of cosec C is 

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