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Q: Tan theta plus cot theta equals 2csc2 theta?

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It depends if 1 plus tan theta is divided or multiplied by 1 minus tan theta.

It also equals 13 12.

tan2(theta) + 5*tan(theta) = 0 => tan(theta)*[tan(theta) + 5] = 0=> tan(theta) = 0 or tan(theta) = -5If tan(theta) = 0 then tan(theta) + cot(theta) is not defined.If tan(theta) = -5 then tan(theta) + cot(theta) = -5 - 1/5 = -5.2

Yes. (Theta in radians, and then approximately, not exactly.)

Cotan(theta) is the reciprocal of the tan(theta). So, cot(theta) = 1/2.

0.75

copy this and paste in your browsers address window http://www.wolframalpha.com/input/?i=tan+theta+%2B+sec+theta+%3D1

I assume. Since theta is a variable, standing for the measure of any angle.

whats the big doubt,cot/tan+1= 1+1= 2

I'm asuming you meant "ten theta"the square of 5 is 2525 divided by 10 is 2.5so theta equals 2.5there you go =)

tan(theta) = 1 then theta = tan-1(1) + n*pi where n is an integer = pi/4 + n*pi or pi*(1/4 + n) Within the given range, this gives theta = pi/4 and 5*pi/4

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