$\text{a) }\cos \alpha =0,848$  

$\cos \alpha =\cos \left({360}^{\circ }-\alpha \right)=0,848$  

$\alpha ={32}^{\circ }\vee {360}^{\circ }-\alpha ={32}^{\circ }$  

$\alpha ={32}^{\circ }\vee \alpha ={328}^{\circ }$

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$\text{b) }\sin \alpha =-0,9135$  

$-\sin \alpha =\sin \left({180}^{\circ }+\alpha \right)=\sin \left({360}^{\circ }-\alpha \right)=0,342$  

${180}^{\circ }+\alpha ={66}^{\circ }\vee {360}^{\circ }-\alpha ={66}^{\circ }$  

$\alpha =-{114}^{\circ }=-{114}^{\circ }+{360}^{\circ }={246}^{\circ }\vee \alpha ={294}^{\circ }$

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$\text{c) }\text{tg}\alpha =0,404$  

$\text{tg}\alpha =\text{tg}\left({180}^{\circ }+\alpha \right)=0,404$  

$\alpha ={22}^{\circ }\vee {180}^{\circ }+\alpha ={22}^{\circ }$  

$\alpha ={22}^{\circ }\vee \alpha =-{158}^{\circ }=-{158}^{\circ }+{360}^{\circ }={202}^{\circ }$

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$\text{d) }\cos \alpha =-0,97$  

$-\cos \alpha =\cos \left({180}^{\circ }+\alpha \right)=\cos \left({180}^{\circ }-\alpha \right)=0,97$  

${180}^{\circ }+\alpha ={14}^{\circ }\vee {180}^{\circ }-\alpha ={14}^{\circ }$  

$\alpha =-{166}^{\circ }=-{166}^{\circ }+{360}^{\circ }={194}^{\circ }\vee \alpha ={166}^{\circ }$

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$\text{e) }\sin \alpha =0,6$  

$\sin \alpha =\sin \left({180}^{\circ }-\alpha \right)=0,6$  

$\alpha ={37}^{\circ }\vee {180}^{\circ }-\alpha ={37}^{\circ }$  

$\alpha ={37}^{\circ }\vee \alpha ={143}^{\circ }$

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$\text{f) }\text{tg}\alpha =-14$  

$-\text{tg}\alpha =\text{tg}\left({180}^{\circ }-\alpha \right)=\text{tg}\left({360}^{\circ }-\alpha \right)=14$  

${180}^{\circ }-\alpha ={86}^{\circ }\vee {360}^{\circ }-\alpha ={86}^{\circ }$  

$\alpha ={94}^{\circ }\vee \alpha ={274}^{\circ }$