Question: Find cos 2x if sin x = 12/13 (in third quadrant).

Find cos 2x if sin x = −12/13 (in third quadrant).

Step by Step Solution

★★★★★

3.36 Rating (165 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

Given sin x 1213 in the third quadrant Therefore cos x is neg... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Basic Technical Mathematics Questions!

Q:

lear CALCULUS 13 f: R- (0) R given by f(x) = 8. EXERCISE - can be made continuous at x = 0 by delining u log(3+x)- log (3-x)-k, the value f0) is If x0 2) 2 3) -1 4) 0 1) ! - JI- px of kis if -Isr

Q:

Recall the sum and difference formula for the cosine of an angle which states that, cos(uv) = (cos u) (cos v) + (sin u) (sin v) To find the value of cos(u - v), first find the values of sin v and cos...

Q:

Find the polar equation for the curve described by the following Cartesian equations. a. y = 45 b. x2 + y2 = 36 c. x2 - y2 = 1 d. 4xy = 1 e. y = 3x + 2 f. 3x2 + 4y = 2 g. x2 + 2x + y2 - 4y - 25 = 0...

Q:

7/4/23, 11:16 PM Homework 8.7-Anh Nguyen Use a table of integrals to determine tv7t+ 19 at. Click here to view page 1 of the integral table. " Click here to view page 2 of the integral table. 14...

Q:

Verify that the given trigonometric equation is an identity. sin 0 _1 _ 6 5cos Bsec 6 sm @ On the left side of the given equation, rewrite the denominator in terms of sine and cosine or both. 1...

Q:

Please answer the following. Write only the answers. URGENT!! Thanks INTEGRAL CALCULUS... OH+ +c O-+ + +c O -1-+C O None of the above 2. What is the antiderivative of (2 Points) O 2r + 4 Inixl + 4 +...

Q:

\ff. S(3x4 + 5x-3 - 2) dx = g. S(2x2 - 2)2 dx = h . SV1 + Jy dy = cos 2x . 3 sin x cos x dx =\f3 3. What is the average value of g(x) = x 2 VX + 1 on the interval [0, 2]? 1;2 If the substitution \\f...

Q:

12. If sin 123" = a, find sin 246 A) 1 - 2a2 B) 2a C) 2a2 - 1 D) 1 + 2a2 E) 1 - 2a 13. Calculate the total surface area of a rectangular parallelepiped measuring 6mm, 7mm, 12mm. A) 386mm B) 680mm C)...

Q:

Dashbo x & Chess: ( x y! hero of x y! ontario x Trigono x y! gmail - X M Derivati X f Derivati x y! What...

Q:

Plz answer ASAP Question 8 (1 point) () Listen Find the x values that give the minimum and maximum values for the function f(x) = cos 2x + 2 sin x on the interval 0

Q:

The cheetah in Exercise 18. Use a step size of t = 1 to estimate the position at t = 5. Apply Euler's method with the given value of t to the differential equation. Compare the approximate result...

Q:

Ethyl chloride, CH3CH2Cl, used to produce tetraethyllead gasoline additive, decomposes, when heated, to give ethylene and hydrogen chloride. CH3CH2Cl(g) C2H4(g) + HCl(g) The reaction is first order....

Q:

Discuss the information which a well-designed cost report should give to themanagement from the point of view of production and of control. Is thereany other information with which the cost figures...

Q:

2. How important are guest expectations?

Q:

Perform the indicated operation without the use of a calculator and express each answer in decimal notation. (2.4 x 10 3 )(3 x 10 2 )

Q:

Determine the indicated term for the geometric sequence with the first term, a 1 , and common ratio, r. Determine a 8 when a 1 = 1/2, r = -2.

Q:

Express the number in decimal notation. 4.6 x 10 1

Q:

Crystal, Inc. is a merchandiser of stone ornaments. The company sold 6,500 units during the year. The company has provided the following information: Sales Revenue $594,000 Purchases (excluding...

Q:

Identify the following difference as either permanent or temporary as it relates to deferred taxes. Dividends received deduction

Q:

Blazer Chemical produces and sells an icemelting granular used on roadways and sidewalks in winter, it annually produces and sells 20,000 tons of its granular. Aecause of this year's mild winter,...