This is something I've never really gotten the hang of...
If tan 20 = t ; how could the following be expressed in terms of t?
a) tan 70
b) tan 40
c) tan 200
d) sec 20
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It looks like you've got the hang of it . . . If , how could the following be expressed in terms of ?
For (b), use the Double-Angle Identity: .
And your answers are correct . . . nice work!
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