If (1+cosA) (1-cosA) = 3/4 . find secA
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Answered by
5
1 - cos²A = 3/4
=> -cos²A = 3/4-1
=>-cos²A= -1/4
=> cos = √1/4
=> sec A = 2
☠☠Hope it helps you☠☠
=> -cos²A = 3/4-1
=>-cos²A= -1/4
=> cos = √1/4
=> sec A = 2
☠☠Hope it helps you☠☠
Answered by
0
Answer:
The value of secA is 2root1.
Step-by-step explanation:
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