Question 819245
Suppose sinθ=x4 and the angle θ is in the first quadrant. Write algebraic expressions for cos(θ) and tan(θ) in terms of x.
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sinθ=4x
cosθ=√(1-sin^2(θ))=√(1-16x^2)
tanθ=sinθ/cosθ=4x/√(1-16x^2)