solve itt maths trigonometry
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Using Identity
=> sin²a + cos²a = 1
=> cos²a - sin²a = cos2a
=> sina/cosa = tana
=> tan(a+b) = tana+tanb/1-tana.tanb
=> tan45 = 1
=> sin²a + cos²a = 1
=> cos²a - sin²a = cos2a
=> sina/cosa = tana
=> tan(a+b) = tana+tanb/1-tana.tanb
=> tan45 = 1
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Deepsbhargav:
how
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8
Answer in the below attachment
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