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Find the values of other five trignometr...

Find the values of other five trignometric functions in Questions 1 to 5.
`cosx=-1/2`, x lies in third quadrant.

Text Solution

Verified by Experts

`sin765^(@) = sin(2 xx 360^(@) + 45^(@))`
`=sin45^(@)=1/sqrt(2)`
Therefore, `sin765^(@)=1/sqrt(2)` Ans.
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