Question

cos45.cos25.tan45.cos90.cos65 = ?​

Answer 1

Answer:

Answer is zero.........

Bcoz the value of cos 90 is zero... and we know that, if any number is multiplied by zero, then we'll get answer zero........

Answer 2

see mate the answer is zero

as we know cos90° = 0

and over here all the values are multiplied

and we know when any number is multiplued by 0 the result also becomes 0