Math, asked by ShadowCain5591, 8 months ago

cos^2 x + 5sinx.cosx=3,
then, tan x =?

Answers

Answered by dhwanika14
2

Answer:cos^2x + 5sin(90-x)cosx = 3

cos^2x + 5cosx.cosx = 3

cos^2x + 5cos^2x = 3

6cos^2x = 3

cos^2x = 3/6

cos^2x = 1/2

cosx = √1/2

cosx = 1/√2

x = 30°

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