1.

- senShow that i cos418. - sin 42 = 0=0.​

Answer»

ong>Step-by-step EXPLANATION:

GIVEN that:

Cos 418°-Sin42°

=>Cos(360°+58°)- SIN 42°

We know that Cos (360°+A)= Cos A

=>Cos58°-Sin42°

=>Cos (90°-42°)-Sin42°

We know that Cos (90°-A)=Sin A

=>Sin 42°-Sin42°

=>0

Cos 418°- Sin 42° = 0



Discussion

No Comment Found

Related InterviewSolutions