Question

If sin A + sin? A = 1, then value of (cos? A + cos* A) will be:




${ { {225}^{?} }^{?} }^{2}$
​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

sinA + sinA = 1

2sinA = 1

sinA = 1/2

sin30° = 1/2

A = 30°

cosA + cosA = 2cosA

2cos30° = 2(√3/2)

cosA + cosA = √3

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