For which angle 0 does sin 0 = cos (90 - 0 ) and sin 0 = cos 0 ?
45°
0
30°
60°

343^x = 49^4-xx = 4-xx+x=42x = 4x = 4/2x = 2therefore x = 2

Your answer is d. silli hope this ! : ) i left an explanation down below if you need it: a sill forms when hot magma squeezes between layers of rock to form a hardened sheet of rock. a sill is basically a tabular sheet intrusion between old layers of sedimentary rock, volcanic beds, or in the direction of foliation inherent in metamorphic rock. the word sill means a concordant intrusive sheet.

The area of the indian subcontinent is 4.4 million km^2 whereas the usa is  9.8 million  km²