How would I express tan(270-A) in terms of tanA?
Would I use the double angle formula for tan? But that gives tan270 which is undefined.?
Hello, classicstrings!
How would I express in terms of ?
You're right . . . the compound-angle formula gives us
We must find a way around this dilemma . . .
Graph the angle . . .Code:Y | *Q | / |θ/ |/ - - - - + - - - - X /|O /θ| / | / | P* | Y'
Hence: .