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labwork [276]
3 years ago
5

10) Given sin 0 = 0.259 and tan 0 = -0.268,

Mathematics
1 answer:
nikitadnepr [17]3 years ago
6 0

Answer:

(A) cos \theta = -0.9664

cos \theta =-0.9659

Step-by-step explanation:

Given

sin \theta = 0.259 \:and;\\ tan \theta = -0.268

Sine is Positive and Tangent is Negative in Quadrant II.

In Quadrant II, Cosine is also Negative.

sin \theta = 0.259 \\\theta=arcsin 0.259=15.01^\circ\\$Therefore in Quadrant II:\\cos \theta =-cos\:15.01^\circ =-0.9659

Closest Option is A.

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