1.

निम्नलिखित के मान ज्ञात कीजिए । `tan 105^(@)`

Answer» `tan 105^(@)=tan(60^(@)+45^(@))`
`=(tan 60^(@)+tan45^(@))/(1-tan 60^(@) tan 45^(@))=(sqrt3+1)/(1-sqrt3.1)=(1+sqrt3)/(1-sqrt3)`


Discussion

No Comment Found