Mathematics, 31.07.2020 16:01, xfuartado

Use identities to find values of the sine and cosine functions of the function for the angle measure a. theta, given that cos2theta=28/53 and 0theta < theta < 90degrees
b. 2theta, given sin theta= - sqrt 7 over 5 and cos theta > 0
c. 2x, given tan x=2 and cos x<0

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Use identities to find values of the sine and cosine functions of the function for the angle measure...