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90+ whatever number is in form of sin.

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7y ago

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How do you write cosine in terms of sine?

cos(x) = sin(pi/2-x) = -sin(x-pi/2)


Write the expression in terms of sine and cosine and simplify so that no quotients appear in the final expression. cscx(sinx plus cosx)?

csc(x)*{sin(x) + cos(x)} = csc(x)*sin(x) + csc(x)*cos(x) =1/sin*(x)*sin(x) + 1/sin(x)*cos(x) = 1 + cot(x)


How do you write ratios for sin and cosine?

sin = opp/hyp cos = adj/hyp tan = opp/adj


Write COS in terms of SIN?

cos = sqrt(1 - sin^2)


Does cosine equal 1-sin?

No, it does not.


Can e be expressed in terms of sine and cosine?

the only close answer i know is: eix = cos(x)+i*sin(x) where i is imaginary unit


Cosine 35 degrees sine 55 degrees plus sine 35 degrees cosine 55 degreees?

cos(35)sin(55)+sin(35)cos(55) If we rewrite this switching the first and second terms we get: sin(35)cos(55)+cos(35)sin(55) which is a more common form of the sin sum and difference formulas. Thus this is equal to sin(90) and sin(90)=1


How do you differentiate a cosine function That is what is the derivative of the cosine of x with respect to the independent variable x?

f(x) = Cos(x) f'(x) = -Sin(x) Conversely f(x) = Sin(x) f'(x) = Cos(x) NB Note the change of signs.


What is the Derivative of sin?

Generally, the derivative of sine is cosine.


Sin and cosine values of 0?

sin 0 = 0 cos 0 = 1


Trigonometry Identity Help Express cosecant in terms of cosine?

csc(x) = 1/sin(x) = +/- 1/sqrt(1-cos^2(x))


What is Sin cosine and tangent?

Sin, cosine, and tangent are considered the three main of trigonometry, commonly written as sin, cos, and tan. sin(θ) = O/H cos(θ) = A/H tan(θ) = O/A Where O is opposite Where H is Hypotenuse Where A is Adjacent To assist further in understanding: http://www.mathsisfun.com/sine-cosine-tangent.html