Math, asked by vadlakondasirish, 4 months ago

if sin² teta =1/2 then find the value of cos² teta​

Answers

Answered by Mister360
0

Step-by-step explanation:

sin² theta=1/2

cos² theta=1-sin² theta

cos² theta=1-1/2

cos² theta=2-1/2

cos² theta=1/2

Answered by puriadev
0

Answer:

sin² theta =1/2

:.sin theta = 1/\sqrt{2\\}

:.sin 45° = 1/\sqrt{2\\}

:.theta = 45°

:.cos² theta​ = cos² 45°

:.cos² 45°=( 1/\sqrt{2\\}

:.cos² 45°=1/2

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