Q11 of 153 Page 7

If , what is the value of cot θ + cosec θ?

Given:

To find: cot θ + cosec θ

∵ sin² θ + cos² θ = 1

∴ cos² θ = 1 – sin² θ

Now, as

Also,

Write the value of .

If x = a sin θ and y = b cos θ, what is the value of b²x² + a²y² ?

What is the value of 9 cot²θ − 9 cosec²θ?

What is the value of ?