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Given sinθ=−91, with 2 an <θ<2π. Find sin20,cos20, and tan20. sinθ=−54,2ππθ2πθπsin2θ,cos2θ+tan3θxsin2θ=21−co
Posted: Thu Jul 14, 2022 3:58 pm
by answerhappygod
- 1 (25.71 KiB) Viewed 40 times
Given sinθ=−91, with 2 an <θ<2π. Find sin20,cos20, and tan20. sinθ=−54,2ππθ2πθπsin2θ,cos2θ+tan3θxsin2θ=21−cos=21−53=252=52⋅2π=102=51x=+3x=5x=3y=−4r= cos2θ=−21+cos=−21+53=253=58⋅21=108=−522 tan=cossin=−52251=51⋅225=2105=2110