Cos(pi/2 - x) = sin(x). sec(x) = 1/cos(x), so the left side would be sinx/cosx = tanx. So it checks out.
<span>The two key qualities a group should have in order to classified it as a society might be culture and territory. So then, the study of sociology is to discover social principles and social reforms. People are tied to their social group that is why , one can talk about social integration within a determined group of people. <span>
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I believe that there may be a certain truth in that statement, but in any case we learned to use our means of support to study and interact with each other on society's issues, issues such as racism and feminism are on the agenda throughout the social network, both for demystifying the subject as for it to become more understood and more adaptable for people, in fact young people relate better to subjects posted on social media but that does not mean that we cannot get into various other aspects of subjects when using this support platform.
