Question

Sin18/cos 72 once divided and tell me the answer ​

Answer 1

Answer:

1.

Step-by-step explanation:

= sin 18/cos 72

= cos(90-18)/cos 72

= cos 72/cos 72

= 1.

Hope this helps.

Answer 2

cos 72 can be written as cos(90-18)

cos(90 - thetha) is sin thetha.

so cos 72 is written as sin 18

hence sin18/sin18 will give you the answer 1

hope it helps...