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
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1 answer:
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Answer:
25.6
Step-by-step explanation:
To work this out you would first divide 65 by 10, which gives you 6.5. This is because by dividing it by 10 you are working out 10%. Then to work out 40% you would multiply 10% which is 6.5 by 4, which gives you 25.6.
1) Divide 65 by 10.
2) Multiply 6.5 by 4.