Question

(2) prove sec theta √(1-sin²theta ) =1. ​

Answer 1

Step-by-step explanation:

Here under root 1-sin square theta will become cos square theta

and than you can cancel the square with the root.

After that you have sec theta and cos theta in multiplication.

Now sec theta can be written as 1/cos theta..

So cos theta get canceled with 1/cos theta

so you will be left with 1

Hence Prooved

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