Answer:
3/13
Just divide and u will get the answer
Answer:
2nd option
Step-by-step explanation:
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Answer:
Step-by-step explanation:
sin(2x) = 2 sin(x) cos(x) cos(2x) = cos2(x) – sin2(x) = 1 – 2 sin2(x) = 2 cos2(x) – 1. Now I am not sure if this is right but I remember another similar formula. Here is the correct formula cot x = cos x / sin x
2 ) ( sin² x + cos² x ) / cos x = sec x
1/cos x = sec x
sec x = sec x
cos² x + sin² x = 1
<span>(15/4)*z + 12?... I tried working with different ways on the calculator to get the answer and that might be it.</span>
