ANSWER Q6
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Step-by-step explanation:
1. 45
2. 90
3. 135
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Please mark it as brainliest....
Step-by-step explanation:
SinA=(opposite side of angleA) /(hypotenuse )
=a/a√2
SecA=(hypotenuse)/(adjacent side of angle A)
=a√2/a
Cos^2A+Sin^2A=1.....(it is a property)
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