Question

plz answer the question .​

Answer 1

Step-by-step explanation:

Given that Φ= 30°

so the R. H. S = √1+cos2Φ/√2

=√1+cos60°/√2

=√1+1/2

---------------

√2

=√3/2

=L. H. S

because cosΦ= cos 30°=√3/2

i hope this helps you to solve