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1. a) Find all angles between 0^o and 〖360〗^o inclusive which satisfy the following equations: 4 sinx cosx+1=0
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1. b) Find all angles between 0^o and 〖360〗^o inclusive which satisfy the following equations: cos4x-3 cos2x=1
1. c) Find all angles between 0^o and 〖360〗^o inclusive which satisfy the following equations: cos4θ cosθ+sin4θ sinθ=1/2
1. d) Find all angles between 0^o and 〖360〗^o inclusive which satisfy the following equations: sin3x+sinx=0
2. If t=tan〖x/2〗, solve for x between 0^o and 〖360〗^o the trigonometric equation secx+4 tanx=3
3. Determine the intervals of values of x from 0 to 2π that satisfy the inequation 2 sin2x>-√3 .