Write ‘True’ or ‘False’ and justify your answer. The value of the expression (cos2 23° – sin2 67°) is positive
NCERT Class X
Mathematics - Exemplar Problems
Chapter _INTRODUCTION TO TRIGONOMETRY AND ITS APPLICATIONS
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Mark me as brainliest if it helps
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it is 0
you think 0 is positive negative
you think 0 is positive negative
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