Find the number of images if
`theta = 100^@`.

Find the number of images formed of a single object placed in between two plane mirrors inclined at angle 62^@

Find the number of images formed of a single object placed in between two plane mirrors inclined at angle 68^@

Answer in one word/ one sentence / state/ define. If theta = 72^@ , find the number of images formed.

Find the inverse of the matrix [(cos theta, sin theta),(-sin theta, cos theta):}]

Find the minimum value of 64 sec theta + 27 cosec theta when theta lies in (0, pi/2)