Question

find the value of sin 75.cos 15​

Answer 1

Answer:

0.933

Step-by-step explanation:

sin75=cos15=(√3+1)/2√2

sin75.cos15=((√3+1)2√2))^2

=(3+2√3+1)/8

=(4+2√3)/8

=(2+√3)/4

=0.933

Answer 2

Hello Dear ☺

⤵Your answer is Here⤵

Cos 15 - sin 75 =?

Solution.......

15+x=90

x= 90- 15=75

So 15 can be written as 90 - 75

Cos { 90 - 75 - sin 75

as we know cos { 90 - theta } = sintheta

Sin 75 - sin 75 = 0

Hope it's Helps You buddy..✔✅✔

Onlystudies98❤

Thanks!!