Math, asked by mitanshu75, 11 months ago

10 theta equal to 20 upon 21 then cos theta is equal to​

Answers

Answered by smartyboy57
1

Answer:

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Answered by Hardevyadav
1

Answer:

10 theta =p upon b

10 theta =20 upon 21

then

cos theta b upon h

by pythagoras theorem

p^2+b^2=h^2

(20)^2+(21)^2=(h)^2

400+441=(h)^2

841 = (h)^2

29 =h

so . cos theta b upon h

cos theta =21 upon 29

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