Charles Autterson

Questions

• The number of solution of the equation 3^(sin2x+2cos2x)+ 3^(1-sin2x+2sin2x)=28 in [0,2π]?
• Could you please solve me this equation: #1 + sin^3 (x) + cos^3 (x) = 3/2 sin (2x)#?
• How do you prove #sin y cot y csc^2 y = cos y + cosy cot^2y?#
• How do I simplify the expression (tanˆ2Ø -1)cot Ø / sin Ø - cosØ to a sum of two trigonometric functions?
• What is #cos^2theta# in terms of #sintheta#?
• How do you verify the identity #(1+tantheta)/(sintheta+costheta)=sectheta#?
• How do you solve #6sin^2x + sinx -1 = 0#?
• How do you solve #cos (x/2 )- cosx=0# if #0°<=x<360#?
• What is #sin^2A/Cos^2A# equivalent to?
• How do you prove #sin^-1x+cos^-1x=pi/2#?
• How do you find the values of the other five trigonometric functions of the acute angle A with #sec A=7/3#?
• How do you find the other sides of a right triangle if the hypotenuse = 5 and the other sides =x, and the other two sides are also equilateral?
• How do you evaluate #sin B = 0.4848#?
• The hypotenuse of a right triangle is 52 in. One leg of the triangle is 8 in. more than twice the length of the other. What is the perimeter of the triangle?
• What is the altitude of the air balloon to the nearest 100ft given the information below ?
• In a 45-45-90 triangle the hypotenuse is 7, what are the lengths of the other legs?
• How do you find length of sides of an equilateral triangle inscribed in a circle with a radius of 36?
• If #theta# is an angle in standard position on a rectangular coordinate system and the point P(sqrt 7,-3) lies on its terminal side, find do you find the exact value of #cos(theta)#?
• How do you find the exact values #cos (pi/4)# using the special triangles?
• How do you use special angles to find the ratios of csc 315 degrees?
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