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" If "tan x=(sin alpha-cos alpha)/(sin a...

" If "tan x=(sin alpha-cos alpha)/(sin alpha+cos alpha)," then show that "sin alpha+cos alpha=sqrt(2)cos x

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If tan theta=(sin alpha- cos alpha)/(sin alpha+cos alpha) , then

If tan theta=(sin alpha- cos alpha)/(sin alpha+cos alpha) , then:

If tan theta=(sin alpha- cos alpha)/(sin alpha+cos alpha) , then:

underset is If tan theta=(sin alpha-cos alpha)/(sin alpha+cos alpha), then sin alpha+cos alpha

tan theta = (sin alpha-cos alpha) / (sin alpha + cos alpha)

IF tan alpha = ( sin alpha - cos alpha )/( sin alpha + cos alpha) , then sin alpha + cos alpha is

(sqrt2 - sin alpha - cos alpha )/( sin alpha - cos alpha)=

(sqrt2 - sin alpha - cos alpha )/( sin alpha - cos alpha)=

|(sin alpha, cos alpha),(cos alpha, -sin alpha)|=