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C3 Trig Help Please
Hey I can't do this trig question if anybody could help with the solutions it would be much appreciated:
Using:
sin(A+B)-Sin(A-B)÷cos(A-B)-cos(A+B)=cotA
and the exact values of sin 60° and cos 60°
find an exact value for cot 75° in its simplest form
Using:
sin(A+B)-Sin(A-B)÷cos(A-B)-cos(A+B)=cotA
and the exact values of sin 60° and cos 60°
find an exact value for cot 75° in its simplest form
Using:
sin(A+B)-Sin(A-B)÷cos(A-B)-cos(A+B)=cotA
and the exact values of sin 60° and cos 60°
find an exact value for cot 75° in its simplest form
sin(A+B)-Sin(A-B)÷cos(A-B)-cos(A+B)=cotA
and the exact values of sin 60° and cos 60°
find an exact value for cot 75° in its simplest form
cot 75 = 1/ tan 75
=> cos 75 / sin 75
=> Check Example 7
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