The sum of two terms are:
- t₅, ₃ = 8
- t₁₁, ₂ = 13
- t₁₅,₁₃ = 28.
<h3>What is the sum about?</h3>
The sum of two numbers is one that tells you to find the sum of two or more numbers, and as such, you have to add the numbers altogether.
t₅, ₃ = 5 + 3
= 8
t₁₁, ₂ = 11 + 2
= 13
t₁₅,₁₃ = 15 + 13
= 28.
Hence the correct sum of two terms are:
- t₅, ₃ = 8
- t₁₁, ₂ = 13
- t₁₅,₁₃ = 28.
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Answer:
See below
Step-by-step explanation:
Remember the quotient identity 
, so you need to take the reciprocal of the sine value for the given angle in order to get the cosecant value for that same angle.
Hello,
Since 3sin x-4sin^3x=sin (3x) (*****)
3sin x-4sin^3x=-1
==>sin (3x)=-1
==>3x=3π/2 +2kπ
==>x=π/2+2kπ/3, k being an integer
(*****)
sin (3x)=sin(x+2x)=sin x cos2x+cos x sin 2x
=sin x(cos²x-sin²x)+2cos²x sin x
=sin x(cos²x+2cos²x-sin²x)
=sinx(3(1-sin²x)-sin²x)
=3sin x-4sin^3x
Answer:
JUSTIFICATION↓
∠1 ≅ ∠2 <u>(∵ Vertically-opposite angles are equal)</u>
Step-by-step explanation:
Since ∠1 lies vertically opposite to ∠2 and vice -versa , therefore ∠1 and ∠2 are equal to each other
Answer:
y = 
Step-by-step explanation:
with the point slope form, plug -9 (x coordinate) into x1, -3 (y coordinate) into y2, and -4/3 (slope) into m
y - y2 = m(x - x1)
y - (-3) = -4/3 (x - (-9))
y + 3 = -4/3 (x + 9)
y + 3 = -4/3 x + -12
y = -4/3 x - 12 - 3
y =
