10* -dx may be written as Aln secB" + tanB*| + where A, B, and C are constants not equal to zero. Evaluate the value of cos10* e4 -1 +B 15 O 20 O -20

Q: Which expression is equal to cos(6t)?

A: Recall:  cos(2t)=cos2(t)-sin2(t)     Given,   cos(6t)

Q: 1- Sti +65१ 25

A: We find L-1[(s+1)/(s2+6s+25)]

Q: evaluate exactly cos-1(-3/2)

A: -3/2 lies outside the domain of the function. Hence we will have no solution

Q: Evaluate the expression without using a calculator. (Assume the variable represents a positive…

A:

Q: Evaluate tan² (-a) se c5 (-a) da

A: Given problem:- ∫ tan5(-x) sec5(-x) dx

Q: Write 5 sinx – 12cosx in the form ksin(x + a).

A: Given expression is: 5 sin x-12 cos x ............................ (1) We have to write the above…

Q: Which expression does (cos 3x)(cos x) - (sin 3x) (sin x) simplify to? O cos 4x sin 2x O cos 2x sin…

A:

Q: Use th Start! 1- cos 2x

A: Given:1-cos2x/cos2x To simplify we use some trigonometric properties

Q: Now, simplify 4 cos² ß − 4(1 − cos² ß) by combining similar terms. 4 cos² ß - 4(1- cos² B) В = 4…

A: We have to simplify the given trigonometric equation.

Q: Prove the identity by manipulating both sides. csc^2xsecx=secx+cscxcotx

A: Given,

Q: Verify identity cos2 x - sin2 x = 2 cos2 x - 1.

A: cos2x -sin2x=2cos2x-1

Q: What is the equivalent expression of 1+008 (2) + 1–008 (2) a) 2 csc²(z) Ob) 2 cos² (1) O c) sec²(x)…

A:

Q: Calculate the value of expression: sin- cos--2· cos- • tan 5 2

A: Explanation of the answer is as follows

Q: Prove cos4x=8cos4x-8cos2x+1

A: To prove:- cos(4x)=8cos4(x)-8 cos2(x)+1

Q: If x + = 2 cose X then show that 1 = 2 cos 20 X* + X

A: