Simplify the expression. Write the final form with no fractions. 2 cos²x+1 -+1=0 2 sin x ☐ ☐cos☐ ☐sinO seccsc☐ ☐tan0 ☐cot

Q: Use substitution to determine whether the given x-value is a solution of the equation. 元 cos x = sin…

A: If you have any questions let me know in comment box thankyou for your question.

Q: Simplify as much as possible. u²√√7uw²-5w√/28u³

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

Q: Use the addition and subtraction formulas to simplify the expression. cos(x+y) cos(x - y)

A: Given,            cosx + y cosx - y

Q: Find the exact value of the expression given below. cos(15)

A:

Q: Express sin H as a fraction in simplest terms. 8 J

A: NOTE: Refresh your page if you can't see any equations. . here we have IJ=8 JH=17

Q: Express sin R as a fraction in simplest terms. √85 P √15 R 10

A: Consider the triangle

Q: Find cos, sin, and tan as a simplified fraction

A: The sine of the angles can be calculated for the right angle triangle by taking the ratio of the…

Q: 1+ tan“x = csc 2.x 2 tan.x

A:

Q: Use conjugates to rewrite the express 1 secr-tanz

A: Given expressionWe have to write non fractional from.

Q: 8. Find the quotient. Write the answer in standard form. 3+4i a. 3-4i -1+i 2+i b.

A: We have, a.  3+4i3-4ib.  -1+i2+i To evaluate: The Quotient in standard form.