solve the problem step by step explaination
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30). D 8/17
31). A a/✓a^2+b^2
Step-by-step explanation:
30) tan ø= perpendicular/base
*tanø=15/8
So, Perpendicular is 15 and base is 8 so hypotenuse using Pythagoras theorem will be 17.
Then cos ø=Base/Hypotenuse=8/17
31) tan ø= a/b
So, Perpendicular will be a and Base will be b so hypotenuse will be ✓a^2+b^2
So, Sin ø= perpendicular/Hypotenuse= a/✓a^2+b^2.
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