Math, asked by shivgangadeshmukh999, 3 months ago

sin19°×cos71°+cos19°×sin71°

Answers

Answered by swapnodeep2556

2

Answer:

sin19° × cos71° + cos19° × sin71°

sin19° × cos(90° - 19°) + cos19° × sin(90° - 19°)

sin19° × sin19° + cos19° × cos19° [cos(90-x) =

sinx & sin(90°-x) =

cosx]

sin^2 19° + cos^2 19°

= 1

Previous Question

Next Question

Similar questions

Biology, 1 month ago

Which microorganism is used to make bread soft and fluffy ? Discuss how this happen ?

English, 1 month ago

are participating in the drama (student,the,of,my,class)...

Science, 1 month ago

2 The Path af object looks like When it is unifom Motion a curve b Straight line C circle D eliptical...

Science, 3 months ago

Assertion: Stretched bow has Potential Energy Reason: Work is done...

English, 3 months ago

3) खालीलपैकी कोणते वर्गसमीकरण आहे? a) - 3 =x b)x (x+5)=2 c) n - 1 = 2n (x + 2)=x...

English, 10 months ago

Look at those black clouds. It (rain)...

Math, 10 months ago

Rationalise the following 7+ $7 + \sqrt{5} \div 7 - \sqrt{5}$ 7-15...

Math, 10 months ago

find 5 consecutive terms in an A.P. whose sum of 2nd and 4th term is 28 and product of 2nd and 5th term is 216 ...