Answer:
secθ = - 2
Step-by-step explanation:
Using the identity
sec²θ = 1 + tan²θ
= 1 + ( )² = 1 + 3 = 4 ( take the square root of both sides )
secθ = ± = ± 2
Since secθ < 0 in the third quadrant , then
secθ = - 2
What is the length of the diagonal of a TV that measures 2.25 feet high and 4 feet wide?
1 answer:
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Answer:
x = 3
Step-by-step explanation:
Given:
Step 1:
Step 2:
Step 3:
Now Solving for next steps we get
Step 4:
dividing both side by 6 we get
Step 5:
And So the Final Answer is:
x = 3