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Step2247 [10]
3 years ago
8

Write the first trigonometric function in terms of the second for theta in the given quadrant:

Mathematics
2 answers:
mezya [45]3 years ago
5 0

Answer:

cosecα=-\sqrt{1+cot^{2}\alpha  }

Step-by-step explanation:

Write the first trigonometric function in terms of the second for theta in the given quadrant:

csc(theta), cot(theta); theta in quadrant IV

csc(theta) = ?

from trigonometric identity , we know that

cosec^{2} \alpha =1+cot^{2}\alpha  \\cosec\alpha ==+/-\sqrt{1+cot^{2}\alpha  }

since cosecα is negative in the fourth quadrant , we can solve it as thus

cosecα=-\sqrt{1+cot^{2}\alpha  }

i have only used alpha in place of theta, aside from that ,the answer is thus the above

Sophie [7]3 years ago
3 0
In quadrant IV, we have
\csc\theta
and
\cot\theta

We can use the identity
\csc^{2} \theta=1+\cot^{2} \theta
\csc\theta=\pm\sqrt{1+\cot^{2} \theta}
Since \csc\theta, we get
\csc\theta=-\sqrt{1+\cot^{2} \theta}
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