Given cos(a) 55 and a/2 < a

Q: Find sin π/4, cos π/4, and tan π/4.

A:

Q: Rewrite as a single function, A sin(Bx + C), where 0 <C < 2n. (Please indicate if C is in Quadrant…

A:

Q: Use the information given below to find sin (a-B).

A: Given,tanα = 512 = PerpendicularBase                               α is in 3rd quadrantPerpendicular…

Q: Evaluate 3 .9 sin (15x) cos (15x) dx.

A:

Q: ind cose, given that sin0 = -5/13 and 0 s in quadrant III. %3D elect one: a. -12/13 b. -5/12 C. 12/5…

A: Answer is- Option a is correct Explanation is given below...

Q: find the value of sin P.

A: Given:

Q: Write the formulas for cos(A - B) and sin (A - B)?

A: We have to write the formulas for cosA-B and sinA-B. We know the formula for cosine difference angle…

Q: Evaluate 1- Sin L Cos L do 2- ( sing ecasy Sdt J-t44t-3 3-

A:

Q: -11m. ii. cos-1(cos()) CO 6.

A: Given problem:- cos-1(cos(11π6))=?

Q: Find cos C if a = 8, b = 7, and c = 15.

A: If the sum of squares of two sides is equal to the square of the third side, then these types of…

Q: What is the relationship between sin(90∘) and sin(−90∘)?

A: