ICSE Class 9 Answered
is zero degree is less than and less than 90 degree and zero satisfies 2 sin square theta minus 1 equals to zero find the value of cos theta + cos 2 theta
Asked by maheshranjan253 | 18 Aug, 2020, 07:46: PM
Expert Answer
0 degree is less than 90 degree
0o does not satisfy 2sin2theta - 1 = 0 because 2 sin0 - 1 = 0 - 1 = -1
Answered by Renu Varma | 19 Aug, 2020, 11:34: AM
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