If sin x - cos x = 1/5, what is (sin x) (cos x) equivalent to?

Q: Let sinA = 7/25 and sinB = -3/5 Solve sin(A+B)

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Q: How is the addition formula used in deriving the formula (sin x) , = cos x?

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Q: epresent 3 sin x + 6 cos x in a form A sin(x + p), use radians for p.

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Q: Is cos (A+b)=cos A + cos(b)? Explain

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Q: Verify the identity: sin x/(1 + cos x) = (1 - cos x)/sin x.

A: sinx1+cosx=sinx1+cosx×1-cosx1-cosx=sinx1-cosx1-cos2x     ∵a+ba-b=a2-b2=sinx1-cosxsin2x…

Q: Use the identities to find csc(x) and cos(x) if tan(x) =6 and cos(x)

A: Use the identities to find csc(x) and cos(x) if tan(x) =6 and cos(x)

Q: The equation sin(sin-1(x))=x holds for any real number x a. true b.false

A: domain of sin-1(x)  is  [-1, 1]

Q: If sinX = -1/3 and cosX is positive, determine the exact value of cotX.

A: We know, cosx= ±√(1-sin2x) cotx= cosx/sinx

Q: Describe the specific differences between the attributes of y=sin (x) and its reciprocal function…

A: Describe the specific differences between the attributes of y=sin (x) and its reciprocal function…

Q: simplify: csc(x)-cos(x)cot(x)

A: simplify: cscx-cosxcotx

Q: Find the value of x. Round your answer to the nearest tenth. 58 a 5.5 b 6.5 7.5 8.5 O O

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Q: Use a sketch to find the exact value of the expression cos (sin-1 4/5)

A: given expression: cossin-145we have to find the exact value of the expression

Q: Rewrite cos ( x –) in terms of sin(x) and cos(x) 3

A: we know that cos(x-y)=cos(x)cos(y)+sin(x)sin(y)

Q: rewrite cos(x+4pi/3) in terms of sin(x) and cos(x)

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