Math, asked by ravneet4504, 10 months ago

किमती काढा: cos 60°×cos30° + sin 60°×sin 30°

Answers

Answered by Anonymous

4

Cos60°Cos30° + Sin60°Sin30°

Its something like,

Cos(a - b) = CosaCosb + SinaSinb

Cos(60 - 30)

= Cos30°

=> √3/2

Hope it helps u

Answered by nvpraba1981

1

cos60×cos60+sin60×sin60=1

Attachments:

Previous Question

Next Question

Similar questions

Biology, 5 months ago

UF soil Micro Organisms Main points .

Math, 5 months ago

5 workers paint a school in 10 hours. How much time will it take 25 workers 0 points to paint the same school? * hours...

Chemistry, 5 months ago

If v1, v2, v3 and v4 are velocities of the electron present in the first orbit of H, He+, Li+2 and Be+3, then which of the following should be their increasing order? (a) v1 < v2 < v3 < v4 (b) v4 > v3 > v2 > v1 (c) v1 < v2 < v3 > v4 (d) v1 > v2 < v3 > v4...

Math, 10 months ago

Find the maximum area of an isosceles triangle inscribed in the ellipse x2a2+y2b2=1 with its vertex at one end of the major axis.

Business Studies, 10 months ago

What are the responsibilities of governing body?

Science, 11 months ago

Which is the only constituent of xylem that is lying...

Computer Science, 11 months ago

Which key work like a eraser?

Chemistry, 11 months ago

which isotope is commonly used to irradiate cancer cells...