1.

Question 13Show that cos2(45∘+θ)+cos2(45∘−θ)tan(60∘+θ)tan(30∘−θ)=1

Answer» Question 13

Show that cos2(45∘+θ)+cos2(45∘−θ)tan(60∘+θ)tan(30∘−θ)=1


Discussion

No Comment Found