Question

Evaluate sin 30 degree by cos 45 degree +cot 45 degree by sec 60 degree minus sin 60 degree by tan 45 degree minus cos 30 degree by sin 90 degree

Answer 1

Step-by-step explanation:

In the given figure. ABCD and PQRS are squares of the same area. If B is the centre of square and XS=YR, then what fraction

of ABCD is shaded...........................................