Α+β=90...α=2β...then sinsquare β+cossquare β= ?

1 Answer
sankarankalyanam
Mar 28, 2018

#"Irrespective of the value of " beta, color(indigo)(sin^2 beta + cos^2beta = 1#

Explanation:

https://www.onlinemathlearning.com/trigonometric-identitie

#"As per basic trigonometric / pythagorean identities"#,

#"Irrespective of the value of " beta, color(indigo)(sin^2 beta + cos^2beta = 1#

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