Prove that :((tan60+1)÷(tan60−1))2=(1+cos30)÷(1−cos30)
Find the value of
1+sin30∘cos30∘+cos30∘1+sin30∘
Show that:
(i) 1−sin 60∘cos 60∘=tan 60∘−1tan 60∘+1
(ii) cos 30∘+sin 60∘1+sin 30∘+cos 60∘=cos 30∘