katrianabattams katrianabattams

01-10-2020
Mathematics

contestada

Find cos2θ if sinθ=11/61

Respuesta :

ahmadreallyback ahmadreallyback

01-10-2020

Answer:

given cos(2θ) = 1 - 2 sin²(θ)

=> cos(2θ) = 1 - 2(11/61)²

=> cos(2θ) = 1 - 2* 121/3721

=> cos(2θ) = 1 - 242/3721

=> cos(2θ) = 3479/3721

Step-by-step explanation:

Answer Link

Otras preguntas

Can someone please help me

378cm=3m 78cm=802.6cm=6km 740m=

Please help me out! Word bank is included below please fill in the blank spaces! Will thank and give brainliest to the right answer acostarte almuerzas clerras

11/21 as a decimal rounded to the nearest tenth is.....!?

Which choice shows three length that cannot be the lengths of the three sides of a triangle? answer choices 2 cm, 8 cm, 8 cm 2 cm, 3 cm, 6 cm 4 cm, 5 cm, 7 cm 5

Which translation transformed the parent function, f(x), to g(x))? a translation right 2 units a translation left 2 units a translation up 2 units a translati

which of the following is a run on sentence?

GIVING BRAINLIEST FOR BEST ANSWER!!! In two paragraphs, explain how Vietnam’s political boundaries, affiliations, and alliances changed from the end of World Wa

A line y intercept is 2 and it's slope is 2 what is its equation in slope intercept form

Strange String Striated Stop