With x and as in Figure 9.26 and with 0 < < /4, express the following in terms of x
Chapter 9, Problem 28(choose chapter or problem)
With x and as in Figure 9.26 and with 0 < < /4, express the following in terms of x without using trigonometric functions: (a) cos (b) cos( 2 ) (c) tan2 (d) sin(2) (e) cos(4) (f) sin(cos1 x)
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