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Q: What is theta when tantheta plus sectheta equals 1 please show work?

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tan theta = sqrt(2)/2 = 1/sqrt(2).

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.)

theta = arcsin(0.0138) is the principal value.

sin(0)=0 and sin(very large number) is approximately equal to that same very large number.

Yes, it is.

Theta equals 0 or pi.

It also equals 13 12.

The answer depends on what theta is and the units of its measurement.

No.

If sine theta is 0.28, then theta is 16.26 degrees. Cosine 2 theta, then, is 0.8432

If r-squared = theta then r = Â±sqrt(theta)

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