**RS Aggarwal Class 10 Math Seventh Chapter Trigonometric Ratios of Complementary Angles Chapter 7 Solution**

RS Aggarwal Class 10 Math New Edition Chapter 7 **Trigonometric Ratios** of Complementary Angles Full Chapter Solution Here. Students of Class 10 can follow this page to solve each Math problem.

(8) (i) Sin67^{0} + COS75^{0}

= Sin(90^{0} – 23^{0}) + COS(90^{0} – 15^{0})

=COS23^{0} + Sin15^{0}

(ii) Cot65^{0} + tan49^{0}

= Cot (90^{0} – 25^{0}) + tan (90^{0} – 41^{0})

= tan25^{0} + tan 41^{0}

(iii) Sec78^{0} + Cosec56^{0}

= Sec (90^{0} – 12^{0}) + Cosec (90^{0} – 34^{0})

= Cosec 12^{0} + Sec34^{0}

(iv) Cosec54^{0} + Sin72^{0}

= Cosec (90^{0} – 36^{0}) + Sin (90^{0} – 18^{0})

= Sec36^{0} + Cos18^{0}

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