cos258+sin165=

cos 225^(@)+ sin 165^(@)=

(cos A+sin A)/(cos A-sin A)-(cos A-sin A)/(cos A+sin A)=

The value of cos 255^(@)+sin165^(@) is

Cos255^(0)+sin165^(0) =

What is the value of cos 15^@-cos 165^@ ? cos 15^@-cos 165^@ का मान क्या है?

State the properties used in the following statements: 258+2152=2152+258

Find the value of sin15^o and cot(-165^o)

Find the product of 25,8 and 13.

Prove that : (sin A+cos A)/(sin A-cos A)+(sin A-cos A)/(sin A+cos A)=(2)/(sin^(2)-cos^(2)A)

(sin A+cos A)/(sin A-cos A)+(sin A-cos A)/(sin A+cos A)=(2)/(sin^(2)A-cos^(2)A) {Prove It}