Math, asked by mahithadevineni454, 1 month ago

is it right to say cos(60+30)=cos60.cos30-sim60.sin30

Answers

Answered by mbhagyshree297

0

cos(60+30)=cos60 . cos30 sin60 .sin30

Previous Question

Next Question

Similar questions

Math, 18 days ago

Determine the sum of the coordinates of the vector w of size $\sqrt{14}$ , which is simultaneously orthogonal to the vector u =(1,1,2) and to the vector v =(1,3,3), furthermore w must have the opposite direction to the coordinate vector (−9,−3,6).

Math, 18 days ago

IfA= cos0+ sin'e, than prove that for all values of o, 12 / SASI.

Physics, 18 days ago

What is meant by hysteresis? Explain difference in magnetic properties of iron and steel on the basis of I-H and B-H curves. Derive an expression for the energy loss due to hysteresi...

Sociology, 1 month ago

folk tale on Bihar in bhojpuri,maithili,magadha?

Science, 1 month ago

(b) Birds have a body to reduce the resistance offfered by air.

Math, 9 months ago

represent -2/3×5/4 on number line...

Social Sciences, 9 months ago

Defined the term ‘Feminist’?

Hindi, 9 months ago

I. शब्दों के अर्थ लिखिए। 10 1. प्रभु 2. आयु = ..... 3. ईर्ष्या 4. यश %D H...