if 5costheta=7sintheta find the value of 7sintheta+5costheta/5sintheta+7costhea
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⇒5 cosΘ= 7sinΘ ⇒cosΘ=7sinΘ/5
⇒(7sinΘ+5cosΘ)/(5sinΘ+7cosΘ)
=(2x7sinΘ)/5sinΘ+(49sinΘ/5)
=70sinΘ/(25sinΘ+49sinΘ)
=70 sinΘ/74sinΘ
=35/37
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