Question

If sin 3x = 1 and 0° 3x 90°, find the values of
(i) sin x
(ii) cos 2x
(iii) tanx - sec

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Answer 1

Answer:

sin 90=1

so 3x=90

X=90/3=30

sin30=1/2

cos2*30=cos60=1/2

Answer 2

Answer:sin 90=1

so 3x=90

X=90/3=30

sin30=1/2

cos2*30=cos60=1/2

Step-by-step explanation: