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

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

1.	Question 13 Show that cos2(45∘+θ)+cos2(45∘−θ)tan(60∘+θ)tan(30∘−θ)=1
Answer» Question 13 Show that $\frac{c o s^{2} (45^{\circ} + θ) + c o s^{2} (45^{\circ} - θ)}{t a n (60^{\circ} + θ) t a n (30^{\circ} - θ)} = 1$