Question

plz answer me guys ​

Answer 1

Answer:

tan^2 45= 1

cos^2 30= (√3/2)^2 = 3/4

Now,

tan^2 45 - cos^2 30

1 - 3/4

4-3/4

1/4

sin 45 = 1/√2

cos 45 = 1/√2

Now,

sin 45× cos 45= 1/√2 × 1/√2 = 1/2

Now as per question,

1/4= x × 1/2

x = 1/4 × 2/1

x = 1/2