Question

2 sec 0-1 tan'e (1) 1 0 (2) 2 (3) 3 (4) 4

11th - 12th Class

Maths

Solution

112

4.0 (1 ratings)

3. ( (1) sec ^{2} theta-1=tan ^{2} theta ) (Trigonometric Identity) So, ( frac{sec ^{2} theta-1}{tan ^{2} theta}=frac{tan ^{2} theta}{tan ^{2} theta}=1 )