Math, asked by kajRohidarbrijayam, 1 year ago

if cosx=cos60cos30+sin60sin30 find x

Answers

Answered by mysticd

3

CosAcosB+sinAsinB=cos(A-B)
Here A=60,B=30
CosX =cos(60-30)
cosX=cos30
x=30

Previous Question

Next Question

Similar questions

Physics, 7 months ago

A flying bird possesses and motion...

Chemistry, 7 months ago

which of the following pairs are isosters?a) CO2 and N2Ob) CaO and KFc) OF2 and HClO d) all of these...

Biology, 7 months ago

In guinea pigs, black hair (B) is dominant to brown hair (b), & short hair (H) is dominant to long hair (h). A black, long haired guinea pig (Bbhh) is crossed with a brown, short haired guinea pig (bbHh). What percentage of the offspring will be black with long hair?

English, 1 year ago

i need an asl on demonetisation...

Science, 1 year ago

name the filtration unit of a kidney...

Math, 1 year ago

Iftwo zeroes of the polynomial x 3 -4x 2 -3x+12 are root 3 and -root 3...

Math, 1 year ago

Solve the following equation :- 6x + 1.7 = 1.4x - 3.9...

Social Sciences, 1 year ago

How can you determine if a person is UNDER-NOURISHED?