Question

Please solve the above figures' question....​

Answer 1

Answer:

(2)0

Maximum value of sinx is 1 at x=90°

So sinx+siny+sinz=3 is possible only when

sinx=siny=sinz=1

So,x=y=z=90°

Therefore,

cosx+cosy+cosz=cos90° +cos90° +cos90°

=0+0+0=0

Answer 2

Answer:

3 is the correct answer I hope this sum will help u