Question

Verify that , cos60=cos2 30= 1/2

Answer 1

Answer:

step by step explaination

Step-by-step explanation:

cossixty is equal to costhirty into two

this is equal to one by two

Answer 2

Answer:

cos60= 1/2

cos2 30= cos60=1/2

.cos60=cos2.30=1/2 ..verify