Question

The value of sin 30 
cos 45° sec 45

Answer 1

Answer:

Step-by-step explanation:

Because sec45=1/cos45

So cos 45 ×sec45 is 1

Now sin 30 ×1 =1/2

Answer 2

Step-by-step explanation:

sin 30 = 1 / 2 = 0.5

cos 45 =1/√2 =7.07

sec 45 = √2 = 1.41