Question

If sin o=4 then find coso?​

Answer 1

Answer:

CosA is equal to the side adjacent to the angle A divided by the hypotenuse and tanA is the sine divided by the cosine and is therefore the side opposite the angle divided by the side adjacent. Angles can be measured in either radians or degrees.

Step-by-step explanation:

Answer 2

Answer:

costheta=√-15

Step-by-step explanation:

Given sintheta =4/1

sintheta = opposite/hypotenuse

costheta=adjacent/hypotenuse

by Pythagoras theorem we can find adjacent

a^2+b^2=c^2

4^2+x^2=1^2

16+x^2=1

x=√1-16

x=√-15

therefore,costheta=√-15/1=√-15.