1.

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»

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...........................................



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