Solve `cos4theta+sin5theta=2`

Solve cos4 theta+sin5 theta=2

(i)If 3sin x+4cos ax=7 has atleast one solution; find the possible values of a.(ii) Solve cos^(50)x-sin^(50)=1( iii) Solve cos4 theta+sin5 theta=2

Solve cos 4 theta+ sin 5 theta=2 .

Solve cos 4 theta+ sin 5 theta=2 .

Solve cos 4 theta+ sin 5 theta=2 .

Solve cos^(2)theta+sin theta=1

Solve 7cos^2theta+3sin^2theta=4

Solve 7cos^2theta+3sin^2theta=4

Solve 7cos^2theta+3sin^2theta=4

Solve cos^(4)theta-sin^(4)theta=cos^2theta