Math, asked by noorbhardwaj121, 4 days ago

2tan-1(-1) +sin-1 (-1/2) +coa-1 (-1/2) is equal is:​

Answers

Answered by ssrian
3

Answer:

using the unit circle, sin 30 + cos 60 - 2tan 45 can be solved as follows:

= sin 30 + cos 60 - 2tan 45

= [1/2] + [1/2] - [2(1)]

= 1 - 2

= -1

Answered by mkchoudhary06122007
0

cos -1 (1/2) +sin -1 (1/2) tan -1 (1/√3) is equal to (a)π (b)π/3 (c)4π/3 (d)3πRead more on Sarthaks.com - https://www.sarthaks.com/46245/cos-1-1-2-sin-1-1-2-tan-1-1-3-is-equal-to-a-b-3-c-4-3-d-3-4

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