Find PR. R Q 61°

Q: B. 90 A C. 4 3.

A:

Q: Sin

A: Given, cosθ=817 θ lies in IV quadrant so sine will be negative

Q: sin ;cos 3

A: Given: sinπ4=          ……1cos8π3=          ……2

Q: Cos?B Simplify Sin B + sin B

A:

Q: Find BC. C 63° В 9 Write your answer as an integer or as a decimal rounded to the nearest tenth. ВС…

A:

Q: Determine? cos 3x.dx

A: Given integral ∫cos(3x) dx, solve using the properties of indefinite integrals ∫cos(ax)dx=…

Q: so cosA/sinA is my answer?

A: Let's simply given expression.

Q: sin cos

A:

Q: find sin F for the triangle

A: Sine F is the ratio of perpendicular to hypotenuse with respect to the angle F.

Q: 25 70 15 B

A: We know  sinθ=PerpendicularHypotenuse=OppositeHypotenuse

Q: find the value of sin P.

A: Given:

Q: Write sin Q in terms of s and

A: Explanation and solutions is given below.....

Q: cos2 θ - cos2 θ is equivalent to?

A:

Q: Cos 12

A:

Q: 00 cos nT Σ' n-0

A: Given,  ∑n=0∞cos nπ5n   We have to evaluate it

Q: F 24 25 E.

A:

Q: sin(45° + 30°)

A: To evaluate the following expression.sin45°+30°

Q: 9tx 81-18

A: Since you have asked multiple questions in a single request so we will be answering only first…

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

A: Given problem:- cos-1(cos(11π6))=?

Q: 2. Evaluate sin=.

A:

Q: 52 48

A: The solution is:

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