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3 years ago

Which is the principal value of tan '(-1.4)?

Mathematics

1 answer:

Svetllana [295]3 years ago

5 0

Answer:

305.54degrees

Step-by-step explanation:

WE are to find the principal value of tan^-1(-1.4). Principal value means the highest value

theta = tan ^-1(-1.4)

theta = -54.46

Since theta is negative in the fourth quadrant;

theta = 360 - 54.46

theta = 305.54degrees

Hence the principal value is 305.54degrees

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