7) Use the Cofunction Identities to write each function Cofunction Identities For any acute LA, sin A= cos(90° - A), csc A = sec(90-A) tan A = cot(90° -A), cos A sin(90° - A) sec A = csc(90° -A), cot A = tan(90°-A) A a) Sin 5° = (90° - %3D A b) Tan 18°= (90°-

Q: identify A, B, C, and D for the sine functions in Exercis "y = 2 sin (x + p) - 1"

A: Consider the provided function, y=2sinx+p-1 Identify A,B,C and D for the sine functions. We know…

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A: We have to find the sinx value

Q: Express as a single sine function: 10 cos (100t - 9°) + 10 sin (100t + 19°)

A: Given the given function is 10 cos100t - 9° + 10 sin100t + 19° Apply formula cosa-b=cosa cosb + sina…

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

A:

Q: Find csc-1(4.3) (in radians).  (Hint: Use sin-1)

A:

Q: Simplify sin(u – T) to a single trig function using the sum or difference of angles identity.

A:

Q: Use the range given for theta to determine solutions to each equation Sin(theta) = (1/3), 0 < or…

A: Since theta is varying from 0 to pi and sin(theta) = 1/3, given equation has exactly two solutions…

Q: rewrite tan(arcsinx) as an alegraic expression of x.

A: Given,           tanarcsinx

Q: Show that cosine is an even function and sine is odd.

A: We have to prove that f(x)=cos(x)  is an even function and g(x)=sin(x) is even function .

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: tan x= -4 and sin x is negative

A: Here tanx=-4we know trigonometric identity,sec2x=1+tan2xsec x=±1+tan2xsec x=±1+(-4)2sec…