Which of the following statement are always correct ?

Which of the following statements are always correct (where Q denotes the set of rationals)?

Which of the following statements are always correct (where Q denotes the set of rationals)? cos2theta in Qa n dsin2theta in Q tantheta in Q (ifd efin e d) tantheta in Q sin2theta,cos2thetaa n dtan2theta in Q(ifd efin e d) ifs intheta in Qa n dcostheta in Qtan3theta in Q(ifd efin e d) fi sin theta in Q cos3theta in Q

Which of the following statements are always correct (where Q denotes the set of rationals)? (a)cos2theta in Q and sin2theta in Q rArr tantheta in Q (if defined), (b)tantheta in Q rArr sin2theta,cos2theta and tan2theta in Q (if defined) (c) if sintheta in Q and costheta in Q rArr tan3theta in Q (if defined) (d)if sintheta in Q rArr cos3theta in Q

Which of the following statements are always correct (where Q denotes the set of rationals)? (a) cos2theta in Q and sin2theta in Q rArr tantheta in Q (if defined), (b) tantheta in Q rArr sin2theta,cos2theta and tan2theta in Q (if defined) (c) if sintheta in Q and costheta in Q rArr tan3theta in Q (if defined) (d)if sintheta in Q rArr cos3theta in Q

Which of the following statements are always correct (where Q denotes the set of rationals)? (a) cos2theta in Q and sin2theta in Q rArr tantheta in Q (if defined), (b) tantheta in Q rArr sin2theta,cos2theta and tan2theta in Q (if defined) (c) if sintheta in Q and costheta in Q rArr tan3theta in Q (if defined) (d)if sintheta in Q rArr cos3theta in Q

Which of the following statements are always correct (where Q denotes the set of rationals)? (a) cos2theta in Q and sin2theta in Q rArr tantheta in Q (if defined), (b) tantheta in Q rArr sin2theta,cos2theta and tan2theta in Q (if defined) (c) if sintheta in Q and costheta in Q rArr tan3theta in Q (if defined) (d)if sintheta in Q rArr cos3theta in Q

Which of the following statement is always correct?

Which of the following statement is always correct?

Which of the following statements is always correct?

Let A and B be two non-null events such that A sube B. Then,which of the following statements is always correct?