Math, asked by chauhankajal568, 4 months ago

4) Cos 28° = ?
Sin 62°
a) 2
b)-1
c) 0
d) 1

Answers

Answered by nisha02345

3

Answer:

sin28

0

cos62

0

+cos28

0

sin62

0

=sin28

0

cos(90

0

−28

0

)+cos28

0

sin(90

0

−28

0

)

=sin28

0

sin28

0

+cos28

0

cos28

0

=sin

2

28

0

+cos

2

28

0

=1

Hence proved.

Previous Question

Next Question

Similar questions

Math, 2 months ago

what is the percent of 40 kg is 400 gram...

History, 2 months ago

how the British imposed their rules in Indians...

Biology, 2 months ago

PLEASE HELP ME!!! Many countries in Africa have had difficulty creating democratic governments following their independence. All of the following issues have most likely contributed to this problem, except __________. A. elections are held, but they are often fraudulent B. when the party in power loses an election, they peacefully hand power over to the winner C. those who speak out...

Math, 4 months ago

11. If the area of a square of side 20 cm is equal to the area of a rectangle of length 25 cm, find the .

Biology, 4 months ago

which character of organisms are visible characters?

Economy, 9 months ago

what is monwy economy??

Geography, 9 months ago

Madrid protocol is of great significance?(according to Antarctica)...

Physics, 9 months ago

Draw ray diagram for an object placed between C, and F. for a concave lens. And explain the rules. | Object F, Image 242 12F, plzz answer it fast...