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If sin A= cos A, then evaluate tan A+ si...

If `sin A= cos A,` then evaluate `tan A+ sin^(2) A+1`.

Text Solution

Verified by Experts

We know that , sin A=cosA, then
A`= 45^(@)`
Now , `tan A+sin^(@) A+1= tan45^(@)+ sin^(2) 45^(@) +1`
`=1+((1)/(sqrt(2)))^(2)+1=2+(1)/(2)=(5)/(2)`
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