2 years ago

Really need help quickly

Mathematics

1 answer:

Vlada [557]2 years ago

4 0

Answer:

Step-by-step explanation:

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Verify the identity

Thepotemich [5.8K]

Given:

Given that we need to prove the identity $\sin x+\sin x \tan ^{2} x=\tan x \sec x$

Proof:

Step 1: Factor out the common term sin x, we get;

$\sin x\left(1+\tan ^{2} x\right)=tan \ x \ sec \ x$

Step 2: Using the identity $1+tan^2 x=sec^2x$

$\sin x \sec ^{2} x=tan \ x \ sec \ x$

Step 3: Reciprocating sec x, we get;

$\sin x \cdot \frac{1}{\cos ^{2} x}=tan \ x \ sec \ x$

Step 4: Splitting the denominator, we have;

$\frac{\sin x}{\cos x} \cdot \frac{1}{\cos x}=tan \ x \ sec \ x$

Simplifying, we get;

$\tan x \sec x=\tan x \sec x$

Thus, the identity is proved.

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2 years ago

Work out 6z - 4z .what is the answer?

Reika [66]

Answer:

4 is the answer

Step-by-step explanation:

you can - or + the equation only then when the letter is same z and z both are same so you can - them and get the answer.

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1 year ago

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LenaWriter [7]

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2 years ago

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In the isosceles trapezoid shown, GJ = 5, HI = 9, and GI = 8.6. Determine the length of HJ.

Fofino [41]

Answer

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Step-by-step explanation:

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2 years ago

True/False (4z + y) is the sum of two terms

frutty [35]

True. The answer is the product of 4 and a number plus another number.

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