Answer:

Step-by-step explanation:
<u>Finding the missing side</u> :
- x² = 13² - 12²
- x² = 169 - 144
- x = √25
- x = 5
<u>Taking the cot value</u> :
- cot T = adjacent / opposite
- cot T = -5/12 (As cot is negative in Quadrant 2)
Answer:
1300
Step-by-step explanation:
4 times 5 = 20
260 times 5 = 1300
Hello,
u(n)=2n+5
u(1)=2*1+5=7
u(2)=2*2+5=9
u(3)=2*3+5=11
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