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Prove the identity tan(x)-tany)... 1-tan) tant cos(x + y) (tanx) - anycos(x) cos(1) tan) - tany) 1 - tan(x) tancy (- tantv) tan(1) sin(x) cosiy) - cos(x) siny) - sin(x)) sin - 2 €054 % + V Need Help? Ruadh DETAILS –/1 Points) SPRECALC77.2.047. D/50 Submissions Used NOTES ASK YOUR TEACHER Write the given expression in terms of Xandy only cos(sin(x) – tan Need Help? Red Watch 11 Points) DETAILS SPRECALC77.2.049.0/Submissions Used NOTES ASK YOUR TEACHER Write the given expression in terms of Xandy only sin(tan-x) - tan () Need Help? Plus Watch NOTES -/1 Points) DETAILS SPRECALC77.2.051.0/50 Submissions Used ASK YOUR TEACHER Find the exact value of the expression, sin cos (4) + tan-(-))

Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula. 2 tan(3) 1-tan (3) (a) (b) 2 tan(38) 1 -tan (30) Need Help? Readis -/2 points) DETAILS SPRECALC77.3.034.0/50 Submissions Used NOTES ASK YOUR TEACHER Simplify the expression by using a Double-Angle Formula or a Hall Angle Formula. 1 - COS 50°) (a) 2 (b) 1 - COS(88) 2 Need Help? Read 13 Points) DETAILS SPRECALC77.3.039.0/50 Submissions Used NOTES ASK YOUR TEACHER Find sin().cos() and tan() from the given information. csc(x) = 3, 90° <x< 180° tan

Prove the identity, tan) -tanty) sin(x-2 1-tantx)tanty) COSEX+Y) (ten(x) - tanycos) cosby)) tan(x) - tancy 1-tantx) tanly) (1 - tan(x) tantys sin x) cos(Y) - cos x) siny) - Sin(x) in) sin cos(x + Need Help? Pode -/1 points) DETAILS SPRECALC77.2.047. Oro Submissions Used NOTES ASK YOUR TEACHER Write the given expression in terms of and y only cos(sin(x)-tan->> Need Help? Watch -11 Points) NOTES DETAILS SPRECALC772.049.0/50 Submissions Used ASK YOUR TEACHER Write the given expression in terms of Xandy only sin(tan-()-tan- Need Help? -11 Points} DETAILS SPRECALC7 7.2.051.0/50 Submissions Used NOTES ASK YOUR TEACHER Find the exact value of the expression sin(cos- () + tan-0) -

Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula. 2 tan(3) 1-tan (3) (a) (b) 2 tan(38) 1 -tan (30) Need Help? Read is -/2 points) DETAILS SPRECALC77.3.034. D/50 Submissions Used NOTES ASK YOUR TEACHER Simplify the expression by using a Double-Angle Formula or a Hall Angle Formula. 1 - COS 50°) (a) 2 (b) 1 - COS(88) 2 Need Help? Read /3 Points) DETAILS SPRECALC77.3.039.0/50 Submissions Used NOTES ASK YOUR TEACHER sin(?).com() and tan() from the given information Find sin esc(x) = 3, 90° <x< 180° tan