Answer:
109
Step-by-step explanation:
Hope this helped :)
Answer:
Cos b
Step-by-step explanation:
1/2[sin(a+b)+sin(a-b)]
1/2[sin a cos b +cos a sin b + sin A cos B - cos A sin B]
1/2[2sin a cos b]
sin a cos b
1.64 as a fraction = 1 16/25
Answer:

Step-by-step explanation:
<u>Step 1: Set x to 4 and set y to -5</u>
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Answer: 