Question

cos 0 =1/ 2
Find the value of 2 seco/
1+ tan²o​

Answer 1

Answer:

1

sec o=2

1+tan^2 o=sec^2 o

4/2^2=1

Answer 2

Answer:

1

Step-by-step explanation:

cos 0 = 1/2 = B/H

P^2 = H^2 - B^2

P^2 = 4 - 1

P = √3

2 sec 0 / 1+tan^2 0

2 × 2/1 / 1 + 3/1

4/4

= 1