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lakkis [162]
3 years ago
11

PLEASE HELPP RIGHT NOW

Mathematics
1 answer:
Tcecarenko [31]3 years ago
7 0

Answer: May

Step-by-step explanation:

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5) Establish the indentity (cot + tan ) sin = sec . Show each step to justify your conclusion.
katen-ka-za [31]

Answer:

Step-by-step explanation:

Identities : -

cot = cos / sin

tan = sin / cos

( cot + tan ) sin = sec

LHS

= ( cot + tan ) sin

= ( ( cos / sin ) + ( sin / cos ) ) sin

= ( ( cos sin ) / sin ) + ( sin² / cos )

= cos + ( sin² / cos )

LCM = cos

= ( cos² / cos ) + ( sin² / cos )

= ( cos² + sin² ) / cos

Identity : -

cos² + sin² = 1

= 1 / cos

= sec

= RHS

Hence proved.

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2 years ago
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After the success of the company’s first two months, Santana Rey continues to operate Business Solutions. The November 30, 2015,
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4 0
3 years ago
Write the equation in slope-intercept form (y=mx + b) for a line with a slope of 2/3 and a y-intercept of -5.
adelina 88 [10]
Y=mx+b
b= y-intercept
-5=2/3x+b
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5 0
3 years ago
3. Let sin 21 = 0.358. What is the value of x for cos x=0.358?
r-ruslan [8.4K]

Answer:

\cos(69)

Step-by-step explanation:

We will use the co-function identity for sine, where:

\sin(x)=\cos(90-x)

Since sin(21)=0.358=cos(x). This means that:

21=90-x

Solve for x. Add x to both sides:

x+21=90

Subtract 21 from both sides:

x=69\textdegree

Hence:

\sin(21)=\cos(69)\approx0.358

6 0
3 years ago
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