काप्व o ,‘ﬂgiw“___e cos (90°—6)cosf __ ६०59 sin

1.	काप्व o ,‘ﬂgiw“___e cos (90°—6)cosf __ ६०59 sin(90°~-06)sin® 456८ (90०९-७6) cosec(90°-8) \|
Answer» Cosθsinθ - sinθcos(90°-θ)cosθ/sec(90°-θ) - cosθsin(90°-θ)sinθ/cosec(90°-θ) +cosec(90°-θ) =cosθsinθ - sinθsinθcosθ/cosecθ - cosθcosθsinθ/secθ - secθ =cosθsinθ - sin³θcosθ- cos³θsinθ- secθ =cosθsinθ(1-sin²θ - cos²θ) - secθ =cosθsinθ(1-1) - secθ =0 - secθ =1/cosθ

काप्व o ,‘ﬂgiw“_e cos (90°—6)cosf ६०59 sin(90°~-06)sin® 456८ (90०९-७6) cosec(90°-8) |

Answer»

Cosθsinθ - sinθcos(90°-θ)cosθ/sec(90°-θ) - cosθsin(90°-θ)sinθ/cosec(90°-θ) +cosec(90°-θ)

=cosθsinθ - sinθsinθcosθ/cosecθ - cosθcosθsinθ/secθ - secθ

=cosθsinθ - sin³θcosθ- cos³θsinθ- secθ

=cosθsinθ(1-sin²θ - cos²θ) - secθ

=cosθsinθ(1-1) - secθ

=0 - secθ

=1/cosθ