Charles Autterson

Questions

• If #6sinA + 8cosA# = 10 , how to prove that #TanA = 3/4# ?
• Slove the equation cosh(lnx) =2sinh(ln)-1?
• How do I find equation for this curve in its final position? The graph of y=sin(x) is shifted a distance of π/4 to the right, reflected in the x-axis, then translate one unit upward
• Use a sine function to describe the height of the tides of the ocean if high tide raises the water level to 5 metres at noon and low tide drops it down to 1 metre at 4 p.m. Let t=0 be 12 noon?
• A man 6ft tall is standing 8 feet away from a street light that is 215 ft high. How long is the man’s shadow?
• If Sin(π/5+x)=cos(π/7+2x), then what is x?
• If #sinx+siny=sqrt3 (cosy-cosx)# Find the value of #sin3x+sin3y#?
• How do you prove #(1+sinx)/cosx = cotg( pi/4 - x/2)#? I need your help please !!!! :(
• How do we solve this?
• Rewrite as a sum: #6(sin5theta)cos2theta# ?
• Can anybody how solve this trigonometry problem???
• If #(sec(t) - 1)/(sec(t) + 1) = (A - cos(t))/(A + cos(t))#, then what does A =?
• How can I solve this?
• Find the value of sin (a+b) if tan a=4/3 and cot b= 5/12, 0^degrees<a<90^degrees and 0^degrees<b<90^degrees ?
• Evaluate (-1)^1/10 using De Moivre's theorem?
• How do you verify: #sqrt(1+sin x)-sqrt(1-sin x) =2*sin(x/2)# ?
• Solve for all values of X ? Sinx= cosx+1
• Tan theta =-4/3 where 90 lees then or equal to theta less than 180. find 2theta?
• If #cosA+cosB+cosC=0# Then prove that #cos3A+cos3B+cos3C=12cosAcosBcosC# ?
• If sin theta = -4/5 and theta is in quadrant 3/ find tan (theta/2)?
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