10. Two trigonometric identities are given by: (a) posx-sinx=12sinx tan x (b) sin x-2 tan x For...

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10. Two trigonometric identities are given by:

(a) posx-sinx=12sinx tan x

(b) sin x-2 tan x For each part, verify that the identity is correct by calculating the values of the left and right sides of the equation, substituting x = x/10.

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