If sin B = 1, find the value of B if 0≤B≤90.
90
0
45
60
B lies in this range 0∘<A+B≤90∘
Sin B = 1 ⇒ sin B = sin90 ⇒ B =90
If cos B = 1, find the value of B if 0≤B≤90.
Find the angle between the vectors 1 + i and -1 + i
If sinA=sinB and cosA=cosB, then
[EAMCET 1994]