7. Use a Double-or-half Angle Formula to solve the equation in the interval [@₁2x] Noinutad 110 ANJ Sin (20)+sing-0 725 To ni sirt mi znotyvíce smrt

Q: Use the method of substitution to evaluate | 2x cos x² dx. sin x? + c – sin x? + c sin x? + c sin x-

A: We use substitution method

Q: For Excrcises 9–12, solve the cquation over the interval [0, 27). V3 V3 b. cosa = 9. a. sin 0 2 b.…

A: " Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The solution to the equation sin2x sin( – x) in the interval [0,2 1) includes

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Q: Solve the 6 sin>x -Cos X5 trig guatin

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Q: Find the value of tan2x, π/2˂x˂π, given secx=-5/4

A: We use formula of tan2x1. tan 2x = (2tan x) / (1 - tan^2 x).2.sec x = 1 / cos x. 3.sin^2 x + cos^2 x…

Q: Evaluate without using a calcu lator (tw" () CoS (tan"

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Q: The identity (sinh x + cosh x)² = sinh? x + cosh² x is correct. Select one: a. False b. True

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Q: Assume that sec(0) = -where -2n < 0 <-T. a) Find cot(0) using trig identities.

A: a We know cotθ=1tanθand tan2θ=sec2θ-1So, cotθ=1sec2θ-secθ=96Thus cotθ=1836-1=14536…

Q: 13п What is the exact value of sin-(x) if x =cot 4 A 4 B 4 D 티2

A: Option (c) π2

Q: Prove: Sin(x-pi/2) = -cosx

A:

Q: If sinX = -1/3 and cosX is positive, determine the exact value of cotX.

A: We know, cosx= ±√(1-sin2x) cotx= cosx/sinx

Q: 2. Is trigonometric substitution needed to evaluate /9 - x² dx?

A:

Q: (7x² +7x) dx

A: The objective is to evaluate the integration

Q: Make the trigonometric substitution x=atanθ for −π/20. Simplify the resulting…

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Q: Isin ()

A: 72sin(π5x) =75xnow here there are two curves  y =72sin(π5x) →(1) y=75x  →(2)solving by graphical…

Q: 2270 d) V3 cosx + sin x = 0 (-2x, 0]

A: First, we rewrite the given equation in a more familiar form. The given equation…

Q: { 8. (sin@ + cos@)²

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Q: 3. (error) For what values of x can you use sin x ≈ x- with an error less than 5 × 10-4?

A: The aim is to find the value of "x" so that it is used The expression of

Q: Give the exact value of sin(20).

A:

Q: If sinhx=-1÷2,then coshx is

A:

Q: For what numbers x, 0<=x<=2\pi , does sinx=

A: to find the value of x

Q: sin 20x sin 21x dx =

A:

Q: Given cote = 20/21 and cose > 0, determine sine O 20/sqrt(41) O -21/29 O -20/sqrt(41) O 21/29

A: Given, cotθ = 2021  and cosθ &gt; 0 We have to find sinθ

Q: a ud X Is in guer find Sin x for cos *, aud fein x guediant! tanx = -/2 %3D

A: Given tanx=−125