Question

Determine the sine, cosine, and tangent of angle THETA. Check tje appropriate solution for each.​

Answer 1

Explanation:

c²=a²+b²

a²=c²-b²

a²= 15²-9²=225-81=144

a=√144=12

sinΩ=a/c=12/15=4/5

cosΩ=b/c=9/15=3/5

tanΩ=a/b=12/9=4/3