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Trig Identities Question - C2

Hi, can someone please help me answer the following:

Find the values of theta, to 1.dp. in the interval -180 < o < 180 for which 2 sin^2(theta) - 2sin (theta) = cos^2 (theta)

Any help would be appreciated. :smile:
Original post by anona1255
Hi, can someone please help me answer the following:

Find the values of theta, to 1.dp. in the interval -180 < o < 180 for which 2 sin^2(theta) - 2sin (theta) = cos^2 (theta)

Any help would be appreciated. :smile:


Cos ^2 is the same as 1-sin^2
Sub that in and work from there
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anona1255
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Original post by em_lj
Cos ^2 is the same as 1-sin^2
Sub that in and work from there


Ah yes, thank you :smile:

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