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If cosx=sinyand cot(x-40^(@)=tan(50^(@)...

If `cosx=sinyand cot(x-40^(@)=tan(50^(@)-y)` , then the values of x and y are :

A

`x=70^(@),y=20^(@)`

B

`x=75^(@),y=15^(@)`

C

`x=85^(@),y=5^(@)`

D

`x=80^(@),y=10^(@)`

Text Solution

Verified by Experts

The correct Answer is:
A
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