Gham2000

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626

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+10

Help with double and half angle formulas?

cos theta= -4/5, sin x= -12/13, theta is in the 3rd quadrant and x is in the 4th quadrant. Evaluate tan 2theta and sin 2theta.

I need help finding the answer for this/how to solve double/half angle formulas in general. Thank read more ..

Gham2000 Feb 1, 2017

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2813

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Trigonometry Help? (Double & Half Angle Formulas)

1. If cos x = and x is a fourth-quadrant angle, evaluate tan x = _____.

2. If θ is a first-quadrant angle in standard position with P(u, v) = (3, 4), evaluate sin 2 θ. read more ..

Gham2000 Feb 1, 2017

+10

0

It will be $1,207.98

Gham2000Feb 1, 2017