Home
Class 12
MATHS
Which of the following is/are the value ...

Which of the following is/are the value of `"cos"[1/2cos^(-1)(cos(-(14pi)/5)]?` `cos(-(7pi)/5)` (b) `sin(pi/(10))` `cos((2pi)/5)` (d) `-cos((3pi)/5)`

Promotional Banner

Similar Questions

Explore conceptually related problems

Which of the following is/are the value of cos [(1)/(2) cos^(-1) (cos (-(14pi)/(5)))] ?

The value of cos[(1)/(2)cos^(-1)(cos(-(14 pi)/(5)))] is/are a.cos (-(7 pi)/(5)) b.sin((pi)/(10))ccos((2 pi)/(5))d.-cos((3 pi)/(5))

The value of cos[(1)/(2)cos^(-1)cos((14 pi)/(5))]is(a)cos((2 pi)/(5))(b)cos(-(7 pi)/(5))(c)sin((pi)/(10))(d)-cos((3 pi)/(5))

"cos"^(-1)("cos"((7pi)/(5)))=

The value of cos^(-1 )(cos((33 pi) /(5))) is

The value of cos(pi)/(5)cos.2(pi)/(5)cos4(pi)/(5)cos8(pi)/(5)=

cos((pi)/(15))cos((2 pi)/(15))cos((pi)/(5))cos((4 pi)/(15))cos((2 pi)/(5))cos((7 pi)/(15)) is equal to

Find the value of cos((2pi)/5).cos(pi/5)