Let x=4tanβ, then dx = 4sec²βdβ. Now
∫(4sec²β)/(4secβ)dβ
= ∫secβdβ
= ln |tanβ - secβ| + c
= ln |(x/4) - (√(x²+16)/4| + C
= ln |x/√(x²+16)
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Answer:
40x - 15y
Step-by-step explanation:
Multiply the brackets together
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Answer:
40
Step-by-step explanation:
8+8+8+8+8=5x8
5x8=40
Answer:
The approximate measure of angle K is 34°
Step-by-step explanation:
In ΔJKL
∠L = 105°
JK = 4.7
JL = 2.7
Sine Rule:

So,
K ≈ 34°
So, Option B is true
Hence The approximate measure of angle K is 34°