Verified answer

Answer:

Hello armyyy

Step-by-step explanation:

Consider the given expression

sin(90∘+θ)cosθ+sin(180∘+θ)sin(−θ)+cotθtan(90∘+θ)

We know that

sin(90∘+θ)=cosθ

sin(−θ)=−sinθ

sin(180∘+θ)=−sinθ

tan(90∘+θ)=−cotθ

Therefore,

=cosθcosθ+−sinθ−sinθ−cotθcotθ

=1+1−1

=1

Hence, the value is 1.