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If sintheta=cos(theta-45^@) , where thet...

If `sintheta=cos(theta-45^@)` , where `theta` and `theta-45^@` are acute angles, find the degree measure of `theta` .

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  10. Write the maximum and minimum values of sintheta .

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  11. Write the maximum and minimum values of costheta .

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  12. What is the maximum value of 1/(sectheta) ?

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  13. What is the maximum value of 1/(cos ec \ theta)?

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  14. If tantheta=4/5, find the value of (costheta-sintheta)/(costheta+sinth...

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  15. If costheta=2/3, find the value of (sectheta-1)/(sectheta+1) .

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  16. If 3cottheta=4,find the value of (4costheta-sintheta)/(2costheta+sinth...

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  20. If A+B=90^@ and cosB=3/5 , what is the value of sinA ?

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