USE THE TRIANGLE AT THE RIGHT to determine the following trigonometric ratios.
Ex 4. sin 40° =
Ex 5. sin aº =
Ex 6. cos 40° =
Ex 8. tan 40° =
Ex 7. cos aº =
Ex 9. tan a =
10
n
30
40
Ex 4. sin 40° =
Ex 5. sin aº =
Ex 6. cos 40° =
Ex 8. tan 40° =
Ex 7. cos aº =
Ex 9. tan a =
10
n
30
40
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