The sine and cosine are cofunctions and reciprocals of each other. Determine whether the statement makes sense or does not make sense, and explain your reasoning

Q: Find the exact value in radians. sec (-2) 3. 27t 57

A:

Q: Write r = 9 sin 0 as an equation in rectangular form.

A: We will use the formulas:1) r2=x2+y22) x=r·cosθ3) y=r·sinθ

Q: 4)sin?(x)+s sin (x)= 0

A: We have,  sin2x+13sinx=0   It is known that  sin(nπ)=0andsin(2n+1)π2=±1 So, we'll just take sin x as…

Q: solve x by using the law of cosine

A: We have been given the measurements of the right-angled triangle and the measurement of an angle and…

Q: Rewrite sin55° in terms of the appropriate cofunction.

A: Consider  sin(55°)

Q: Explain the formula of Cofactor.

A:

Q: Write sinA sin B sin Cas a sum or difference of sines and cosines. 1 Isin(A – B+ C) + sin(B + C - A)…

A: Topic- trigonometric identities Sin(-x) =-sin x

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.