Find the values of the following trigonometric ratios:
(i)sin5π3
(ii)sin3060∘
(iii)tan11π6
(iv)cos(−1125∘)
(V)tan315∘
(vi)sin510∘
(vii)cos570∘
(viii)sin(−330∘)
(ix)cosec(−1200∘)
(X)tan(−585∘)
(xi)cos855∘
(xii)sin1845∘
(xiii)cos1755∘
(xiv)sin4530∘
Find the values of x in each of the following:
(i) log 144log 12=log x
(ii) log 125log 25=x
(iii) logx4+logx16+logx64=12
Find the value of:
−712÷(−213)
Question 1 (vi) Find the value of unknown x in the following diagrams.