Correct will give brainlist. No links or will get report

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).