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Find the exact value of tan 2x if sin x = -4/5. (Quadrant III)
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Find the exact value of tan 2x if sin x = -4/5. (Quadrant III)

User Cherrywoods
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1 Answer

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Answer:

sin x = -0.8

x = -53.13010235 (used inverse of sin)

tan 2x

tan -106.2602047

= 0.61854704132

User Safi Habhab
by
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