Given that θ = , which of the following shows that cosθsecθ = 1? - - -

  per Unit Circle

=

cosθ * secθ = 1

* = 1

               1 = 1

A

Option 1.

Step-by-step explanation:

It is given that

We need to find the expression that shows .

We know that,

On rationalization, we get

Now,

Therefore, the correct option is 1.

a

step-by-step explanation:

so the possibilities of the measurement of the side of the triangle are either it is longest side or not the longest side

when it is the longest side

s < 25 + 35s < 60

if it is not the longest side

35 < 25 + s10 < sso 10 < s < 60so the perimeter70 < p < 130