Answered

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If a and b are two angles in standard position in Quadrant I, find cos(a-b) for the given function values. sin a=15/17and cos b=3/5

1) -84/85

2) -36/85

3) 36/85

4) 84/85

Sagot :

Kizi7899

Answer:

3)

Step-by-step explanation:

I am one of the maths and they are called BODMAS

Answer:

1

Step-by-step explanation:

cosine of sum of 2 angles law

0.98 is answer 84/85

i think it is negative due to the fact that it is in quad I and cos is neg in quad I but I am not 100% on that

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