ICSE Class 9 Maths Trigonometric Ratios of Standard Angles

Q.

What is the value of tan 45˚?



Q.

Find the value of sin2 45˚ + cos2 30˚.



Q.

What is the value of sec 0˚?



Q.

What is the value of cot 90˚?



Trigonometric ratios of some specific angles like 0,30,45,60,90 degrees.