Question 7 Find x correct to one decimal place. 60° 30° y 55 95.3 31.8 127 * Previous Question 8 Find the equivalent expression. tan'x-secx secx +tan-x cse'x + tan2x csc2x +cotx anx Secx cotx cscx Previous oe曲
Question 7 Find x correct to one decimal place. 60° 30° y 55 95.3 31.8 127 * Previous
Question 8 Find the equivalent expression. tan'x-secx secx +tan-x cse'x + tan2x csc2x +cotx anx Secx cotx cscx Previous oe曲
Rewrite the following expression in terms of the given function. tan x + cotx secx CSC X tan x + cotx CSC X
verify algebraically
cos(-x) -= sec x + tan x 1+ sin(-x) tan x + cotx=sec X CSC X
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15-18. Verify each identity. 15. tan x + cotx = sec X csc X 16. 1+sin cos B cos B 1-sin B 17. cosa a-sina a sin a cosa = cota - tan a
0/6 POINTS LARPCALC10 5.2.010. Verify the identity. (Simplify at each step.) tan x cot x = sec X COS X tan x cotx COS X = sec X COS X Submit Answer
Write the expression in terms of sines and/or cosines, and then simplify. 5) sec2x+sin2x 1 + cos2x A) B) 1 +sin x cos x cos2x COS X 1+ sin2 x cos2x C) sinx D) cos2x 6) cotx sin x-tan x cos x A) cos x - sinx 1 B) 1 sin x cos x C) D) sin x + COS X sin x cos x sin x cos2x
3. If cotx = -_ and sin x = 245, find cos x
c) (2 pts) h(x) = -tan(2x) c) (2 pts) h(x) = -tan(2x) c) (2 pts) h(x) = -tan(2x) We were unable to transcribe this image
b. 2 + 2 cotax 2 cotx sec X csc X
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9) Find the value of the expression. a. cos arctan -- b. tan(arcsin(x)) = 10) From a point on a cliff 85 feet above water level an observer can see a ship. The angle of depression to the ship is 40. How far is the ship from the base of the cliff? sec? x 11) Verify the identity: -tan’x = tan x cotx 12) Find all solutions algebraically in the interval [0, 2T): sec? - 3 tan...